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23638816317 = 37999741841
BaseRepresentation
bin10110000000111110…
…111011011000111101
32021000102121021211110
4112000332323120331
5341403014110232
614505353512233
71464535423554
oct260076733075
967012537743
1023638816317
11a03054a636
1246b8712679
1322c952889c
14120369ad9b
15935448acc
hex580fbb63d

23638816317 has 8 divisors (see below), whose sum is σ = 31917389440. Its totient is φ = 15559727040.

The previous prime is 23638816303. The next prime is 23638816321. The reversal of 23638816317 is 71361883632.

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

It is not a de Polignac number, because 23638816317 - 210 = 23638815293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23638816367) 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, 49870684 + ... + 49871157.

It is an arithmetic number, because the mean of its divisors is an integer number (3989673680).

Almost surely, 223638816317 is an apocalyptic number.

It is an amenable number.

23638816317 is a deficient number, since it is larger than the sum of its proper divisors (8278573123).

23638816317 is an equidigital number, since it uses as much as digits as its factorization.

23638816317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99741923.

The product of its digits is 870912, while the sum is 48.

The spelling of 23638816317 in words is "twenty-three billion, six hundred thirty-eight million, eight hundred sixteen thousand, three hundred seventeen".

Divisors: 1 3 79 237 99741841 299225523 7879605439 23638816317