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23101200100 = 22521153396247
BaseRepresentation
bin10101100000111100…
…000101011011100100
32012121221222120000201
4111200330011123210
5334302401400400
614340150520244
71445316650416
oct254074053344
965557876021
1023101200100
119885030610
124588666084
132242032c94
1411921129b6
1590315006a
hex560f056e4

23101200100 has 72 divisors (see below), whose sum is σ = 55718808768. Its totient is φ = 8241916800.

The previous prime is 23101200097. The next prime is 23101200121. The reversal of 23101200100 is 100210132.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139824 + ... + 256423.

It is an arithmetic number, because the mean of its divisors is an integer number (773872344).

Almost surely, 223101200100 is an apocalyptic number.

23101200100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23101200100 is an abundant number, since it is smaller than the sum of its proper divisors (32617608668).

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

23101200100 is a wasteful number, since it uses less digits than its factorization.

23101200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396325 (or 396318 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 23101200100 its reverse (100210132), we get a palindrome (23201410232).

The spelling of 23101200100 in words is "twenty-three billion, one hundred one million, two hundred thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 53 55 100 106 110 212 220 265 275 530 550 583 1060 1100 1166 1325 2332 2650 2915 5300 5830 11660 14575 29150 58300 396247 792494 1584988 1981235 3962470 4358717 7924940 8717434 9906175 17434868 19812350 21001091 21793585 39624700 42002182 43587170 84004364 87174340 105005455 108967925 210010910 217935850 231012001 420021820 435871700 462024002 525027275 924048004 1050054550 1155060005 2100109100 2310120010 4620240020 5775300025 11550600050 23101200100