Search a number
-
+
156731047092 = 22331451213399
BaseRepresentation
bin1001000111110111100…
…1011111110010110100
3112222112212010010122000
42101331321133302310
510031441122001332
6200000134135300
714215640630154
oct2217571376264
9488485103560
10156731047092
1160518654494
1226460ab1530
1311a19c38069
14782b6da764
1541249bdb7c
hex247de5fcb4

156731047092 has 24 divisors (see below), whose sum is σ = 406339752000. Its totient is φ = 52243682328.

The previous prime is 156731047079. The next prime is 156731047093. The reversal of 156731047092 is 290740137651.

156731047092 is a `hidden beast` number, since 1 + 5 + 67 + 31 + 0 + 470 + 92 = 666.

It is a super-2 number, since 2×1567310470922 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156731047093) 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 7 ways as a sum of consecutive naturals, for example, 725606592 + ... + 725606807.

It is an arithmetic number, because the mean of its divisors is an integer number (16930823000).

Almost surely, 2156731047092 is an apocalyptic number.

156731047092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

156731047092 is an abundant number, since it is smaller than the sum of its proper divisors (249608704908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156731047092 is a wasteful number, since it uses less digits than its factorization.

156731047092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451213412 (or 1451213404 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 156731047092 in words is "one hundred fifty-six billion, seven hundred thirty-one million, forty-seven thousand, ninety-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 1451213399 2902426798 4353640197 5804853596 8707280394 13060920591 17414560788 26121841182 39182761773 52243682364 78365523546 156731047092