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156764027113 = 237765950369
BaseRepresentation
bin1001000111111111011…
…1010011100011101001
3112222122011011200201021
42101333313103203221
510032023042331423
6200003313052441
714216521146631
oct2217767234351
9488564150637
10156764027113
116053522a901
122646bb57121
1311a23a14575
147831c436c1
15412783595d
hex247fdd38e9

156764027113 has 4 divisors (see below), whose sum is σ = 156829979860. Its totient is φ = 156698074368.

The previous prime is 156764027099. The next prime is 156764027129. The reversal of 156764027113 is 311720467651.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 122088745744 + 34675281369 = 349412^2 + 186213^2 .

It is a cyclic number.

It is not a de Polignac number, because 156764027113 - 213 = 156764018921 is a prime.

It is a super-2 number, since 2×1567640271132 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 156764027113.

It is not an unprimeable number, because it can be changed into a prime (156764027183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32972808 + ... + 32977561.

It is an arithmetic number, because the mean of its divisors is an integer number (39207494965).

Almost surely, 2156764027113 is an apocalyptic number.

It is an amenable number.

156764027113 is a deficient number, since it is larger than the sum of its proper divisors (65952747).

156764027113 is an equidigital number, since it uses as much as digits as its factorization.

156764027113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65952746.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 156764027113 in words is "one hundred fifty-six billion, seven hundred sixty-four million, twenty-seven thousand, one hundred thirteen".

Divisors: 1 2377 65950369 156764027113