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38801964931 is a prime number
BaseRepresentation
bin100100001000110001…
…101111111110000011
310201011011202001100021
4210020301233332003
51113431300334211
625454140434311
72542356155122
oct441061577603
9121134661307
1038801964931
1115501774614
12762a848997
133874ac8582
141c4142dab9
151021738771
hex908c6ff83

38801964931 has 2 divisors, whose sum is σ = 38801964932. Its totient is φ = 38801964930.

The previous prime is 38801964869. The next prime is 38801964961. The reversal of 38801964931 is 13946910883.

It is a happy number.

38801964931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38801964931 - 215 = 38801932163 is a prime.

It is a super-2 number, since 2×388019649312 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38801964961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19400982465 + 19400982466.

It is an arithmetic number, because the mean of its divisors is an integer number (19400982466).

Almost surely, 238801964931 is an apocalyptic number.

38801964931 is a deficient number, since it is larger than the sum of its proper divisors (1).

38801964931 is an equidigital number, since it uses as much as digits as its factorization.

38801964931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 38801964931 in words is "thirty-eight billion, eight hundred one million, nine hundred sixty-four thousand, nine hundred thirty-one".