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23139372326472 = 233217293741247223
BaseRepresentation
bin1010100001011100011100…
…00100010101111001001000
310000221002202122100112122100
411100232032010111321020
511013103413303421342
6121114025250153400
74605523134350223
oct520561604257110
9100832678315570
1023139372326472
1174113974884a6
122718694b82860
13cbb05863ac6c
1459dd472745ba
152a1d95163e4c
hex150b8e115e48

23139372326472 has 1152 divisors, whose sum is σ = 74128719974400. Its totient is φ = 6482557992960.

The previous prime is 23139372326461. The next prime is 23139372326507. The reversal of 23139372326472 is 27462327393132.

23139372326472 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 9 + 372 + 3 + 264 + 7 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 103764001353 + ... + 103764001575.

It is an arithmetic number, because the mean of its divisors is an integer number (64347847200).

Almost surely, 223139372326472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23139372326472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37064359987200).

23139372326472 is an abundant number, since it is smaller than the sum of its proper divisors (50989347647928).

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

23139372326472 is a wasteful number, since it uses less digits than its factorization.

23139372326472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 399 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 54.

The spelling of 23139372326472 in words is "twenty-three trillion, one hundred thirty-nine billion, three hundred seventy-two million, three hundred twenty-six thousand, four hundred seventy-two".