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12432638976804 = 223438372342521
BaseRepresentation
bin1011010011101011001100…
…0001111010001100100100
31122000112210222122021210000
42310322303001322030210
53112144021034224204
642235250412501300
72422141245440214
oct264726301721444
948015728567700
1012432638976804
113a6371a6475a2
12148964177a830
136c2515061b47
1430da58896244
15168604e72039
hexb4eb307a324

12432638976804 has 30 divisors (see below), whose sum is σ = 32501374116134. Its totient is φ = 4144212992160.

The previous prime is 12432638976761. The next prime is 12432638976817. The reversal of 12432638976804 is 40867983623421.

12432638976804 is a `hidden beast` number, since 1 + 2 + 432 + 6 + 38 + 97 + 6 + 80 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6855484416804 + 5577154560000 = 2618298^2 + 2361600^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19186170937 + ... + 19186171584.

Almost surely, 212432638976804 is an apocalyptic number.

It is an amenable number.

12432638976804 is an abundant number, since it is smaller than the sum of its proper divisors (20068735139330).

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

12432638976804 is a wasteful number, since it uses less digits than its factorization.

12432638976804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38372342537 (or 38372342526 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 63.

The spelling of 12432638976804 in words is "twelve trillion, four hundred thirty-two billion, six hundred thirty-eight million, nine hundred seventy-six thousand, eight hundred four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 38372342521 76744685042 115117027563 153489370084 230234055126 345351082689 460468110252 690702165378 1036053248067 1381404330756 2072106496134 3108159744201 4144212992268 6216319488402 12432638976804