Search a number
-
+
137892012 = 22311491001
BaseRepresentation
bin10000011100000…
…01000010101100
3100121110122021120
420032001002230
5240300021022
621403300540
73263030346
oct1016010254
9317418246
10137892012
1170922345
123a21a750
132274ca0b
1414456296
15c18bd5c
hex83810ac

137892012 has 12 divisors (see below), whose sum is σ = 321748056. Its totient is φ = 45964000.

The previous prime is 137891983. The next prime is 137892017. The reversal of 137892012 is 210298731.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (137892017) 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, 5745489 + ... + 5745512.

It is an arithmetic number, because the mean of its divisors is an integer number (26812338).

Almost surely, 2137892012 is an apocalyptic number.

137892012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137892012 is an abundant number, since it is smaller than the sum of its proper divisors (183856044).

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

137892012 is a wasteful number, since it uses less digits than its factorization.

137892012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11491008 (or 11491006 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 137892012 is about 11742.7429504354. The cubic root of 137892012 is about 516.6300967988.

The spelling of 137892012 in words is "one hundred thirty-seven million, eight hundred ninety-two thousand, twelve".

Divisors: 1 2 3 4 6 12 11491001 22982002 34473003 45964004 68946006 137892012