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23130102100 = 225273674347
BaseRepresentation
bin10101100010101010…
…010101100101010100
32012200222100221010011
4111202222111211110
5334332301231400
614343102210004
71446120424000
oct254252254524
965628327104
1023130102100
11989a381066
124596283904
132248012261
141195cb7700
1590595d8ba
hex562a95954

23130102100 has 72 divisors (see below), whose sum is σ = 58533406400. Its totient is φ = 7930308960.

The previous prime is 23130102091. The next prime is 23130102103. The reversal of 23130102100 is 120103132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130102103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 302874 + ... + 371473.

Almost surely, 223130102100 is an apocalyptic number.

23130102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23130102100 is an abundant number, since it is smaller than the sum of its proper divisors (35403304300).

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

23130102100 is a wasteful number, since it uses less digits than its factorization.

23130102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674382 (or 674361 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 23130102100 its reverse (120103132), we get a palindrome (23250205232).

The spelling of 23130102100 in words is "twenty-three billion, one hundred thirty million, one hundred two thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 49 50 70 98 100 140 175 196 245 343 350 490 686 700 980 1225 1372 1715 2450 3430 4900 6860 8575 17150 34300 674347 1348694 2697388 3371735 4720429 6743470 9440858 13486940 16858675 18881716 23602145 33043003 33717350 47204290 66086006 67434700 94408580 118010725 132172012 165215015 231301021 236021450 330430030 462602042 472042900 660860060 826075075 925204084 1156505105 1652150150 2313010210 3304300300 4626020420 5782525525 11565051050 23130102100