Search a number
-
+
23192851761 = 3229828710723
BaseRepresentation
bin10101100110011001…
…101101010100110001
32012212100102221110200
4111212121231110301
5334444332224021
614353223145413
71450511662422
oct254631552461
965770387420
1023192851761
11992183a892
1245b32a5269
132258012931
1411a036d649
1590b206126
hex56666d531

23192851761 has 24 divisors (see below), whose sum is σ = 34663399680. Its totient is φ = 14925538656.

The previous prime is 23192851741. The next prime is 23192851763. The reversal of 23192851761 is 16715829132.

It is not a de Polignac number, because 23192851761 - 25 = 23192851729 is a prime.

It is a super-2 number, since 2×231928517612 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23192851763) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2157546 + ... + 2168268.

It is an arithmetic number, because the mean of its divisors is an integer number (1444308320).

Almost surely, 223192851761 is an apocalyptic number.

It is an amenable number.

23192851761 is a deficient number, since it is larger than the sum of its proper divisors (11470547919).

23192851761 is a wasteful number, since it uses less digits than its factorization.

23192851761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19045 (or 19042 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The spelling of 23192851761 in words is "twenty-three billion, one hundred ninety-two million, eight hundred fifty-one thousand, seven hundred sixty-one".

Divisors: 1 3 9 29 87 261 8287 10723 24861 32169 74583 96507 240323 310967 720969 932901 2162907 2798703 88861501 266584503 799753509 2576983529 7730950587 23192851761