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23120892901 = 291395735771
BaseRepresentation
bin10101100010000111…
…001101001111100101
32012200100001001110201
4111202013031033211
5334322422033101
614342132550501
71445646230011
oct254207151745
965610031421
1023120892901
119895161057
124593182431
132246139622
14119499b541
15904c3ee01
hex5621cd3e5

23120892901 has 8 divisors (see below), whose sum is σ = 24090242400. Its totient is φ = 22163015280.

The previous prime is 23120892841. The next prime is 23120892923. The reversal of 23120892901 is 10929802132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23120892901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120892931) 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, 2863855 + ... + 2871916.

It is an arithmetic number, because the mean of its divisors is an integer number (3011280300).

Almost surely, 223120892901 is an apocalyptic number.

It is an amenable number.

23120892901 is a deficient number, since it is larger than the sum of its proper divisors (969349499).

23120892901 is a wasteful number, since it uses less digits than its factorization.

23120892901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5735939.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 23120892901 in words is "twenty-three billion, one hundred twenty million, eight hundred ninety-two thousand, nine hundred one".

Divisors: 1 29 139 4031 5735771 166337359 797272169 23120892901