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23188838401 = 191220465179
BaseRepresentation
bin10101100110001010…
…011001100000000001
32012212001220001011201
4111212022121200001
5334442320312101
614353001141201
71450432605601
oct254612314001
965761801151
1023188838401
11991a549563
1245b1a8a801
132257238c71
14119da06c01
1590abb1e01
hex566299801

23188838401 has 4 divisors (see below), whose sum is σ = 24409303600. Its totient is φ = 21968373204.

The previous prime is 23188838377. The next prime is 23188838417. The reversal of 23188838401 is 10483888132.

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 23188838401 - 213 = 23188830209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23188838501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610232571 + ... + 610232608.

It is an arithmetic number, because the mean of its divisors is an integer number (6102325900).

Almost surely, 223188838401 is an apocalyptic number.

It is an amenable number.

23188838401 is a deficient number, since it is larger than the sum of its proper divisors (1220465199).

23188838401 is a wasteful number, since it uses less digits than its factorization.

23188838401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220465198.

The product of its (nonzero) digits is 294912, while the sum is 46.

The spelling of 23188838401 in words is "twenty-three billion, one hundred eighty-eight million, eight hundred thirty-eight thousand, four hundred one".

Divisors: 1 19 1220465179 23188838401