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157871034907 is a prime number
BaseRepresentation
bin1001001100000111011…
…0001101001000011011
3120002111022012111220221
42103001312031020123
510041304441104112
6200305220100511
714256122440615
oct2230166151033
9502438174827
10157871034907
1160a530a1183
122671a834737
1311b6c179b71
1478d8c87db5
15418eb02e07
hex24c1d8d21b

157871034907 has 2 divisors, whose sum is σ = 157871034908. Its totient is φ = 157871034906.

The previous prime is 157871034847. The next prime is 157871034929. The reversal of 157871034907 is 709430178751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157871034907 - 235 = 123511296539 is a prime.

It is not a weakly prime, because it can be changed into another prime (157871034407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78935517453 + 78935517454.

It is an arithmetic number, because the mean of its divisors is an integer number (78935517454).

Almost surely, 2157871034907 is an apocalyptic number.

157871034907 is a deficient number, since it is larger than the sum of its proper divisors (1).

157871034907 is an equidigital number, since it uses as much as digits as its factorization.

157871034907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1481760, while the sum is 52.

The spelling of 157871034907 in words is "one hundred fifty-seven billion, eight hundred seventy-one million, thirty-four thousand, nine hundred seven".