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23498889432 = 233979120393
BaseRepresentation
bin10101111000101001…
…001001100011011000
32020122200022021020020
4111320221021203120
5341111203430212
614443434430440
71461216156504
oct257051114330
966580267206
1023498889432
119a69568487
124679892420
1322a6545905
1411ccc75304
15928008d8c
hex578a498d8

23498889432 has 16 divisors (see below), whose sum is σ = 58747223640. Its totient is φ = 7832963136.

The previous prime is 23498889413. The next prime is 23498889461.

23498889432 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×234988894322 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489560173 + ... + 489560220.

Almost surely, 223498889432 is an apocalyptic number.

It is an amenable number.

23498889432 is an abundant number, since it is smaller than the sum of its proper divisors (35248334208).

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

23498889432 is a wasteful number, since it uses less digits than its factorization.

23498889432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979120402 (or 979120398 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 60.

The spelling of 23498889432 in words is "twenty-three billion, four hundred ninety-eight million, eight hundred eighty-nine thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 979120393 1958240786 2937361179 3916481572 5874722358 7832963144 11749444716 23498889432