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12343231100 = 22521071153573
BaseRepresentation
bin10110111111011011…
…01100001001111100
31011212012222002220102
423133231230021330
5200234331343400
65400450140232
7614606506334
oct133755541174
934765862812
1012343231100
115264483242
122485881678
1312192baa55
148514460c4
154c396d9d5
hex2dfb6c27c

12343231100 has 36 divisors (see below), whose sum is σ = 27035160264. Its totient is φ = 4891145280.

The previous prime is 12343231093. The next prime is 12343231151. The reversal of 12343231100 is 113234321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 566087 + ... + 587486.

It is an arithmetic number, because the mean of its divisors is an integer number (750976674).

Almost surely, 212343231100 is an apocalyptic number.

12343231100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12343231100 is an abundant number, since it is smaller than the sum of its proper divisors (14691929164).

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

12343231100 is a wasteful number, since it uses less digits than its factorization.

12343231100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153694 (or 1153687 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12343231100 its reverse (113234321), we get a palindrome (12456465421).

The spelling of 12343231100 in words is "twelve billion, three hundred forty-three million, two hundred thirty-one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 107 214 428 535 1070 2140 2675 5350 10700 1153573 2307146 4614292 5767865 11535730 23071460 28839325 57678650 115357300 123432311 246864622 493729244 617161555 1234323110 2468646220 3085807775 6171615550 12343231100