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23750423513 = 52807449759
BaseRepresentation
bin10110000111101000…
…101011001111011001
32021022012121112010022
4112013220223033121
5342120102023023
614524422000225
71500362161145
oct260750531731
967265545108
1023750423513
11a088549793
124729b76075
1323166a464b
141214430225
159401427c8
hex587a2b3d9

23750423513 has 4 divisors (see below), whose sum is σ = 23750926080. Its totient is φ = 23749920948.

The previous prime is 23750423479. The next prime is 23750423561. The reversal of 23750423513 is 31532405732.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23750423513 - 222 = 23746229209 is a prime.

It is a super-2 number, since 2×237504235132 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23750423113) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 172073 + ... + 277686.

It is an arithmetic number, because the mean of its divisors is an integer number (5937731520).

Almost surely, 223750423513 is an apocalyptic number.

It is an amenable number.

23750423513 is a deficient number, since it is larger than the sum of its proper divisors (502567).

23750423513 is an equidigital number, since it uses as much as digits as its factorization.

23750423513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502566.

The product of its (nonzero) digits is 75600, while the sum is 35.

The spelling of 23750423513 in words is "twenty-three billion, seven hundred fifty million, four hundred twenty-three thousand, five hundred thirteen".

Divisors: 1 52807 449759 23750423513