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23137027373 = 80287288179
BaseRepresentation
bin10101100011000100…
…110000010100101101
32012201110101202210202
4111203010300110231
5334341034333443
614343510443245
71446233326205
oct254304602455
965643352722
1023137027373
1198a3281129
124598663525
132249598455
141196b9b405
1590637a7b8
hex56313052d

23137027373 has 4 divisors (see below), whose sum is σ = 23137395840. Its totient is φ = 23136658908.

The previous prime is 23137027369. The next prime is 23137027393. The reversal of 23137027373 is 37372073132.

It is a happy number.

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 23137027373 - 22 = 23137027369 is a prime.

It is a super-2 number, since 2×231370273732 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23137027363) 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, 63803 + ... + 224376.

It is an arithmetic number, because the mean of its divisors is an integer number (5784348960).

Almost surely, 223137027373 is an apocalyptic number.

It is an amenable number.

23137027373 is a deficient number, since it is larger than the sum of its proper divisors (368467).

23137027373 is an equidigital number, since it uses as much as digits as its factorization.

23137027373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368466.

The product of its (nonzero) digits is 111132, while the sum is 38.

The spelling of 23137027373 in words is "twenty-three billion, one hundred thirty-seven million, twenty-seven thousand, three hundred seventy-three".

Divisors: 1 80287 288179 23137027373