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10120003100 = 22521789211317
BaseRepresentation
bin10010110110011001…
…01111111000011100
3222010021120102102122
421123030233320130
5131211210044400
64352110442112
7505532415134
oct113314577034
928107512378
1010120003100
114323529129
121b65203338
13c5381591c
146c007dac4
153e36b4685
hex25b32fe1c

10120003100 has 144 divisors (see below), whose sum is σ = 23699420640. Its totient is φ = 3737395200.

The previous prime is 10120003097. The next prime is 10120003111. The reversal of 10120003100 is 130002101.

It is a super-2 number, since 2×101200031002 (a number of 21 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 (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31924142 + ... + 31924458.

It is an arithmetic number, because the mean of its divisors is an integer number (164579310).

Almost surely, 210120003100 is an apocalyptic number.

10120003100 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 10120003100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11849710320).

10120003100 is an abundant number, since it is smaller than the sum of its proper divisors (13579417540).

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

10120003100 is a wasteful number, since it uses less digits than its factorization.

10120003100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 10120003100 its reverse (130002101), we get a palindrome (10250005201).

Subtracting from 10120003100 its reverse (130002101), we obtain a palindrome (9990000999).

The spelling of 10120003100 in words is "ten billion, one hundred twenty million, three thousand, one hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 89 100 170 178 211 317 340 356 422 425 445 634 844 850 890 1055 1268 1513 1585 1700 1780 2110 2225 3026 3170 3587 4220 4450 5275 5389 6052 6340 7174 7565 7925 8900 10550 10778 14348 15130 15850 17935 18779 21100 21556 26945 28213 30260 31700 35870 37558 37825 53890 56426 66887 71740 75116 75650 89675 93895 107780 112852 133774 134725 141065 151300 179350 187790 267548 269450 282130 319243 334435 358700 375580 469475 479621 538900 564260 638486 668870 705325 938950 959242 1137079 1276972 1337740 1410650 1596215 1672175 1877900 1918484 2274158 2398105 2821300 3192430 3344350 4548316 4796210 5685395 5952943 6384860 6688700 7981075 9592420 11370790 11905886 11990525 15962150 22741580 23811772 23981050 28426975 29764715 31924300 47962100 56853950 59529430 101200031 113707900 119058860 148823575 202400062 297647150 404800124 506000155 595294300 1012000310 2024000620 2530000775 5060001550 10120003100