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23531047922 = 231234992
BaseRepresentation
bin10101111010100011…
…110100101111110010
32020201220211002101102
4111322203310233302
5341142422013142
614450544004402
71462056415154
oct257243645762
966656732342
1023531047922
119a85732648
124688600702
1322b00c51c5
1411d3246ad4
1592ac5c532
hex57a8f4bf2

23531047922 has 18 divisors (see below), whose sum is σ = 36482326479. Its totient is φ = 11382736860.

The previous prime is 23531047921. The next prime is 23531047927. The reversal of 23531047922 is 22974013532.

It can be written as a sum of positive squares in only one way, i.e., 11765523961 + 11765523961 = 108469^2 + 108469^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=108469.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23531047921) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6723329 + ... + 6726827.

Almost surely, 223531047922 is an apocalyptic number.

23531047922 is a deficient number, since it is larger than the sum of its proper divisors (12951278557).

23531047922 is an frugal number, since it uses more digits than its factorization.

23531047922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7062 (or 3532 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 23531047922 in words is "twenty-three billion, five hundred thirty-one million, forty-seven thousand, nine hundred twenty-two".

Divisors: 1 2 31 62 961 1922 3499 6998 108469 216938 3362539 6725078 12243001 24486002 379533031 759066062 11765523961 23531047922