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1057988764831 is a prime number
BaseRepresentation
bin11110110010101010000…
…10110110010010011111
310202010212001111220020211
433121111002312102133
5114313230110433311
62130011110553251
7136302643056235
oct17312502662237
93663761456224
101057988764831
11378766092229
12151066368827
13789ca14683b
14392c7b58955
151c7c2637821
hexf6550b649f

1057988764831 has 2 divisors, whose sum is σ = 1057988764832. Its totient is φ = 1057988764830.

The previous prime is 1057988764793. The next prime is 1057988764841. The reversal of 1057988764831 is 1384678897501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1057988764831 - 221 = 1057986667679 is a prime.

It is a super-2 number, since 2×10579887648312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1057988764841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528994382415 + 528994382416.

It is an arithmetic number, because the mean of its divisors is an integer number (528994382416).

Almost surely, 21057988764831 is an apocalyptic number.

1057988764831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057988764831 is an equidigital number, since it uses as much as digits as its factorization.

1057988764831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81285120, while the sum is 67.

The spelling of 1057988764831 in words is "one trillion, fifty-seven billion, nine hundred eighty-eight million, seven hundred sixty-four thousand, eight hundred thirty-one".