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156110156161 is a prime number
BaseRepresentation
bin1001000101100011100…
…0111111000110000001
3112220221120210121101121
42101120320333012001
510024203144444121
6155414354232241
714164361301421
oct2213070770601
9486846717347
10156110156161
116022a127993
1226308b85681
131194b40668b
1477ad076481
1540da226141
hex2458e3f181

156110156161 has 2 divisors, whose sum is σ = 156110156162. Its totient is φ = 156110156160.

The previous prime is 156110156149. The next prime is 156110156179. The reversal of 156110156161 is 161651011651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142369627761 + 13740528400 = 377319^2 + 117220^2 .

It is a cyclic number.

It is not a de Polignac number, because 156110156161 - 25 = 156110156129 is a prime.

It is a super-2 number, since 2×1561101561612 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (156110156861) 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, 78055078080 + 78055078081.

It is an arithmetic number, because the mean of its divisors is an integer number (78055078081).

Almost surely, 2156110156161 is an apocalyptic number.

It is an amenable number.

156110156161 is a deficient number, since it is larger than the sum of its proper divisors (1).

156110156161 is an equidigital number, since it uses as much as digits as its factorization.

156110156161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 34.

The spelling of 156110156161 in words is "one hundred fifty-six billion, one hundred ten million, one hundred fifty-six thousand, one hundred sixty-one".