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23349137313 = 37783045771
BaseRepresentation
bin10101101111101101…
…111000111110100001
32020021020112001221110
4111233231320332201
5340304334343223
614420525013533
71454420251425
oct255755707641
966236461843
1023349137313
1199a1a854a7
1246376b42a9
1322815027a8
1411b7012b85
15919cc7d93
hex56fb78fa1

23349137313 has 4 divisors (see below), whose sum is σ = 31132183088. Its totient is φ = 15566091540.

The previous prime is 23349137293. The next prime is 23349137327. The reversal of 23349137313 is 31373194332.

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 not a de Polignac number, because 23349137313 - 28 = 23349137057 is a prime.

It is a super-2 number, since 2×233491373132 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23349137363) 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, 3891522883 + ... + 3891522888.

It is an arithmetic number, because the mean of its divisors is an integer number (7783045772).

Almost surely, 223349137313 is an apocalyptic number.

It is an amenable number.

23349137313 is a deficient number, since it is larger than the sum of its proper divisors (7783045775).

23349137313 is an equidigital number, since it uses as much as digits as its factorization.

23349137313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7783045774.

The product of its digits is 122472, while the sum is 39.

The spelling of 23349137313 in words is "twenty-three billion, three hundred forty-nine million, one hundred thirty-seven thousand, three hundred thirteen".

Divisors: 1 3 7783045771 23349137313