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156796093031 = 198252425949
BaseRepresentation
bin1001001000000111000…
…1101000001001100111
3112222201101111210212212
42102001301220021213
510032104244434111
6200010420234035
714220360541364
oct2220161501147
9488641453785
10156796093031
1160551341466
122647a83b91b
1311a2a560996
1478361cd46b
15412a56b98b
hex2481c68267

156796093031 has 4 divisors (see below), whose sum is σ = 165048519000. Its totient is φ = 148543667064.

The previous prime is 156796093019. The next prime is 156796093039. The reversal of 156796093031 is 130390697651.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-156796093031 is a prime.

It is a super-2 number, since 2×1567960930312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156796093039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4126212956 + ... + 4126212993.

It is an arithmetic number, because the mean of its divisors is an integer number (41262129750).

Almost surely, 2156796093031 is an apocalyptic number.

156796093031 is a deficient number, since it is larger than the sum of its proper divisors (8252425969).

156796093031 is an equidigital number, since it uses as much as digits as its factorization.

156796093031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8252425968.

The product of its (nonzero) digits is 918540, while the sum is 50.

The spelling of 156796093031 in words is "one hundred fifty-six billion, seven hundred ninety-six million, ninety-three thousand, thirty-one".

Divisors: 1 19 8252425949 156796093031