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131110101100 = 2252113110633617
BaseRepresentation
bin111101000011011000…
…1010110000001101100
3110112102021210020001101
41322012301112001230
54122003141213400
6140121532252444
712321013320466
oct1720661260154
9415367706041
10131110101100
1150670263560
12214b0611124
13c495b810a4
1464baab7136
15362554256a
hex1e86c5606c

131110101100 has 144 divisors (see below), whose sum is σ = 320775469056. Its totient is φ = 46082304000.

The previous prime is 131110101061. The next prime is 131110101121. The reversal of 131110101100 is 1101011131.

It is a super-2 number, since 2×1311101011002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36246492 + ... + 36250108.

It is an arithmetic number, because the mean of its divisors is an integer number (2227607424).

Almost surely, 2131110101100 is an apocalyptic number.

131110101100 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 131110101100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160387734528).

131110101100 is an abundant number, since it is smaller than the sum of its proper divisors (189665367956).

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

131110101100 is a wasteful number, since it uses less digits than its factorization.

131110101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736 (or 4729 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 10.

Adding to 131110101100 its reverse (1101011131), we get a palindrome (132211112231).

The spelling of 131110101100 in words is "one hundred thirty-one billion, one hundred ten million, one hundred one thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 31 44 50 55 62 100 110 124 155 220 275 310 341 550 620 682 775 1063 1100 1364 1550 1705 2126 3100 3410 3617 4252 5315 6820 7234 8525 10630 11693 14468 17050 18085 21260 23386 26575 32953 34100 36170 39787 46772 53150 58465 65906 72340 79574 90425 106300 112127 116930 131812 159148 164765 180850 198935 224254 233860 292325 329530 361700 362483 397870 448508 560635 584650 659060 724966 795740 823825 994675 1121270 1169300 1233397 1449932 1647650 1812415 1989350 2242540 2466794 2803175 3295300 3624830 3844871 3978700 4933588 5606350 6166985 7249660 7689742 9062075 11212700 12333970 15379484 18124150 19224355 24667940 30834925 36248300 38448710 42293581 61669850 76897420 84587162 96121775 119191001 123339700 169174324 192243550 211467905 238382002 384487100 422935810 476764004 595955005 845871620 1057339525 1191910010 1311101011 2114679050 2383820020 2622202022 2979775025 4229358100 5244404044 5959550050 6555505055 11919100100 13111010110 26222020220 32777525275 65555050550 131110101100