Search a number
-
+
23992057049 = 49559484111
BaseRepresentation
bin10110010110000010…
…011011110011011001
32021221001021210000112
4112112002123303121
5343113431311144
615004413014105
71506355056122
oct262602336331
967831253015
1023992057049
11a1a1988624
124796a84335
132354777b7c
14123856d049
1595647299e
hex59609bcd9

23992057049 has 4 divisors (see below), whose sum is σ = 23992590720. Its totient is φ = 23991523380.

The previous prime is 23992057009. The next prime is 23992057051. The reversal of 23992057049 is 94075029932.

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 a de Polignac number, because none of the positive numbers 2k-23992057049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23992056988 and 23992057006.

It is not an unprimeable number, because it can be changed into a prime (23992057009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192497 + ... + 291614.

It is an arithmetic number, because the mean of its divisors is an integer number (5998147680).

Almost surely, 223992057049 is an apocalyptic number.

It is an amenable number.

23992057049 is a deficient number, since it is larger than the sum of its proper divisors (533671).

23992057049 is an equidigital number, since it uses as much as digits as its factorization.

23992057049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533670.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The spelling of 23992057049 in words is "twenty-three billion, nine hundred ninety-two million, fifty-seven thousand, forty-nine".

Divisors: 1 49559 484111 23992057049