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12104323400 = 23521341271419
BaseRepresentation
bin10110100010111100…
…10101000101001000
31011020120102100011002
423101132111011020
5144242201322100
65321033354132
7605646023411
oct132136250510
934216370132
1012104323400
115151636364
122419868948
1311ab960150
1482b816808
154ac9cb2d5
hex2d1795148

12104323400 has 192 divisors, whose sum is σ = 31235500800. Its totient is φ = 4333824000.

The previous prime is 12104323397. The next prime is 12104323447. The reversal of 12104323400 is 432340121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28888391 + ... + 28888809.

It is an arithmetic number, because the mean of its divisors is an integer number (162684900).

Almost surely, 212104323400 is an apocalyptic number.

12104323400 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 12104323400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15617750400).

12104323400 is an abundant number, since it is smaller than the sum of its proper divisors (19131177400).

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

12104323400 is a wasteful number, since it uses less digits than its factorization.

12104323400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12104323400 its reverse (432340121), we get a palindrome (12536663521).

The spelling of 12104323400 in words is "twelve billion, one hundred four million, three hundred twenty-three thousand, four hundred".