Search a number
-
+
23653950761 = 722939164251
BaseRepresentation
bin10110000001111000…
…101010010100101001
32021001111002012101102
4112001320222110221
5341420402411021
614511054131145
71465111156400
oct260170522451
967044065342
1023653950761
11a039047341
1247017b0ab5
1322cc6c748c
1412056ba637
1593693800b
hex581e2a529

23653950761 has 12 divisors (see below), whose sum is σ = 27525350160. Its totient is φ = 20267793000.

The previous prime is 23653950751. The next prime is 23653950769. The reversal of 23653950761 is 16705935632.

It is not a de Polignac number, because 23653950761 - 214 = 23653934377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23653950769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61886 + ... + 226136.

It is an arithmetic number, because the mean of its divisors is an integer number (2293779180).

Almost surely, 223653950761 is an apocalyptic number.

It is an amenable number.

23653950761 is a deficient number, since it is larger than the sum of its proper divisors (3871399399).

23653950761 is a wasteful number, since it uses less digits than its factorization.

23653950761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167204 (or 167197 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 47.

The spelling of 23653950761 in words is "twenty-three billion, six hundred fifty-three million, nine hundred fifty thousand, seven hundred sixty-one".

Divisors: 1 7 49 2939 20573 144011 164251 1149757 8048299 482733689 3379135823 23653950761