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5391820831 is a prime number
BaseRepresentation
bin1010000010110000…
…01010100000011111
3111220202122212200211
411001120022200133
542020301231311
62251005233251
7250420502155
oct50130124037
914822585624
105391820831
1123175a6881
121065862827
1367c098337
143921373d5
15218551821
hex14160a81f

5391820831 has 2 divisors, whose sum is σ = 5391820832. Its totient is φ = 5391820830.

The previous prime is 5391820829. The next prime is 5391820879. The reversal of 5391820831 is 1380281935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5391820831 - 21 = 5391820829 is a prime.

It is a super-2 number, since 2×53918208312 = 58143463747211061122, which contains 22 as substring.

Together with 5391820829, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5391820891) 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 as a sum of consecutive naturals, namely, 2695910415 + 2695910416.

It is an arithmetic number, because the mean of its divisors is an integer number (2695910416).

Almost surely, 25391820831 is an apocalyptic number.

5391820831 is a deficient number, since it is larger than the sum of its proper divisors (1).

5391820831 is an equidigital number, since it uses as much as digits as its factorization.

5391820831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 5391820831 is about 73429.0189979411. The cubic root of 5391820831 is about 1753.5244162497.

The spelling of 5391820831 in words is "five billion, three hundred ninety-one million, eight hundred twenty thousand, eight hundred thirty-one".