Search a number
-
+
23501745732 = 22312715421093
BaseRepresentation
bin10101111000110100…
…000010111001000100
32020122212200101100010
4111320310002321010
5341112421330412
614444015550220
71461252354063
oct257064027104
966585611303
1023501745732
119a70139463
12467a82b370
1322a7005a2a
1411cd3ba1da
159283c033c
hex578d02e44

23501745732 has 24 divisors (see below), whose sum is σ = 55269200896. Its totient is φ = 7772230368.

The previous prime is 23501745689. The next prime is 23501745733. The reversal of 23501745732 is 23754710532.

It is not an unprimeable number, because it can be changed into a prime (23501745733) 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, 7709023 + ... + 7712070.

Almost surely, 223501745732 is an apocalyptic number.

It is an amenable number.

23501745732 is an abundant number, since it is smaller than the sum of its proper divisors (31767455164).

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

23501745732 is a wasteful number, since it uses less digits than its factorization.

23501745732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15421227 (or 15421225 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 39.

The spelling of 23501745732 in words is "twenty-three billion, five hundred one million, seven hundred forty-five thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 12 127 254 381 508 762 1524 15421093 30842186 46263279 61684372 92526558 185053116 1958478811 3916957622 5875436433 7833915244 11750872866 23501745732