Search a number
-
+
23060312957 = 112096392087
BaseRepresentation
bin10101011110100000…
…000111001101111101
32012112010001021102002
4111132200013031331
5334211420003312
614332130312045
71444312266053
oct253640071575
965463037362
1023060312957
119863a44490
124576a28625
1322367186c6
14118a90c1d3
158ee7754c2
hex55e80737d

23060312957 has 4 divisors (see below), whose sum is σ = 25156705056. Its totient is φ = 20963920860.

The previous prime is 23060312929. The next prime is 23060312971. The reversal of 23060312957 is 75921306032.

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 23060312957 - 26 = 23060312893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23060312957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23060312917) 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, 1048196033 + ... + 1048196054.

It is an arithmetic number, because the mean of its divisors is an integer number (6289176264).

Almost surely, 223060312957 is an apocalyptic number.

It is an amenable number.

23060312957 is a deficient number, since it is larger than the sum of its proper divisors (2096392099).

23060312957 is a wasteful number, since it uses less digits than its factorization.

23060312957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096392098.

The product of its (nonzero) digits is 68040, while the sum is 38.

Adding to 23060312957 its reverse (75921306032), we get a palindrome (98981618989).

The spelling of 23060312957 in words is "twenty-three billion, sixty million, three hundred twelve thousand, nine hundred fifty-seven".

Divisors: 1 11 2096392087 23060312957