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23997710513 = 74379726613
BaseRepresentation
bin10110010110011000…
…000000000010110001
32021221102221000010002
4112112120000002301
5343121403214023
615005134115345
71506454113410
oct262630000261
967842830102
1023997710513
11a1a509a107
12479894bb55
1323559a720a
141239201477
15956bdcb28
hex5966000b1

23997710513 has 8 divisors (see below), whose sum is σ = 28063768128. Its totient is φ = 20091106224.

The previous prime is 23997710509. The next prime is 23997710521. The reversal of 23997710513 is 31501779932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23997710513 - 22 = 23997710509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23997710593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39863006 + ... + 39863607.

It is an arithmetic number, because the mean of its divisors is an integer number (3507971016).

Almost surely, 223997710513 is an apocalyptic number.

It is an amenable number.

23997710513 is a deficient number, since it is larger than the sum of its proper divisors (4066057615).

23997710513 is an equidigital number, since it uses as much as digits as its factorization.

23997710513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79726663.

The product of its (nonzero) digits is 357210, while the sum is 47.

The spelling of 23997710513 in words is "twenty-three billion, nine hundred ninety-seven million, seven hundred ten thousand, five hundred thirteen".

Divisors: 1 7 43 301 79726613 558086291 3428244359 23997710513