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103012103311100 = 225237612511818373
BaseRepresentation
bin10111011011000001011111…
…110100110100111011111100
3111111201212020121002201021022
4113123001133310310323330
5102000222241421423400
61003031035034123312
730461243643635534
oct2733013764647374
9444655217081238
10103012103311100
112a9062078876a5
12b678528b80538
134562ccc340299
141b61b5333a4c4
15bd98ab88eb85
hex5db05fd34efc

103012103311100 has 144 divisors (see below), whose sum is σ = 234271130750496. Its totient is φ = 39276835200000.

The previous prime is 103012103311093. The next prime is 103012103311171. The reversal of 103012103311100 is 1113301210301.

It is a super-2 number, since 2×1030121033111002 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55741514 + ... + 57559886.

It is an arithmetic number, because the mean of its divisors is an integer number (1626882852434).

Almost surely, 2103012103311100 is an apocalyptic number.

103012103311100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103012103311100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117135565375248).

103012103311100 is an abundant number, since it is smaller than the sum of its proper divisors (131259027439396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103012103311100 is a wasteful number, since it uses less digits than its factorization.

103012103311100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818736 (or 1818729 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 103012103311100 its reverse (1113301210301), we get a palindrome (104125404521401).

The spelling of 103012103311100 in words is "one hundred three trillion, twelve billion, one hundred three million, three hundred eleven thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 37 50 61 74 100 122 148 185 244 251 305 370 502 610 740 925 1004 1220 1255 1525 1850 2257 2510 3050 3700 4514 5020 6100 6275 9028 9287 11285 12550 15311 18574 22570 25100 30622 37148 45140 46435 56425 61244 76555 92870 112850 153110 185740 225700 232175 306220 382775 464350 566507 765550 928700 1133014 1531100 1818373 2266028 2832535 3636746 5665070 7273492 9091865 11330140 14162675 18183730 28325350 36367460 45459325 56650700 67279801 90918650 110920753 134559602 181837300 221841506 269119204 336399005 443683012 456411623 554603765 672798010 912823246 1109207530 1345596020 1681995025 1825646492 2218415060 2282058115 2773018825 3363990050 4104067861 4564116230 5546037650 6727980100 8208135722 9128232460 11092075300 11410290575 16416271444 16887230051 20520339305 22820581150 27841109003 33774460102 41040678610 45641162300 55682218006 67548920204 82081357220 84436150255 102601696525 111364436012 139205545015 168872300510 205203393050 278411090030 337744601020 410406786100 422180751275 556822180060 696027725075 844361502550 1030121033111 1392055450150 1688723005100 2060242066222 2784110900300 4120484132444 5150605165555 10301210331110 20602420662220 25753025827775 51506051655550 103012103311100