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157859127718031 is a prime number
BaseRepresentation
bin100011111001001001110001…
…001110110111000010001111
3202200221012000000210210122002
4203321021301032313002033
5131142330443143434111
61315423252050142515
745151642226140325
oct4371116116670217
9680835000723562
10157859127718031
1146331753243a73
12158561a6581a3b
136a11089c5aabc
142ada5cb687d15
15133b428cbe63b
hex8f92713b708f

157859127718031 has 2 divisors, whose sum is σ = 157859127718032. Its totient is φ = 157859127718030.

The previous prime is 157859127717971. The next prime is 157859127718073. The reversal of 157859127718031 is 130817721958751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157859127718031 - 214 = 157859127701647 is a prime.

It is a super-2 number, since 2×1578591277180312 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157859127738031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78929563859015 + 78929563859016.

It is an arithmetic number, because the mean of its divisors is an integer number (78929563859016).

Almost surely, 2157859127718031 is an apocalyptic number.

157859127718031 is a deficient number, since it is larger than the sum of its proper divisors (1).

157859127718031 is an equidigital number, since it uses as much as digits as its factorization.

157859127718031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29635200, while the sum is 65.

The spelling of 157859127718031 in words is "one hundred fifty-seven trillion, eight hundred fifty-nine billion, one hundred twenty-seven million, seven hundred eighteen thousand, thirty-one".