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137755013 = 1112523183
BaseRepresentation
bin10000011010111…
…11100110000101
3100121012200100112
420031133212011
5240231130023
621400322405
73261620054
oct1015374605
9317180315
10137755013
1170839420
123a173405
1322702556
141441c39b
15c161478
hex835f985

137755013 has 4 divisors (see below), whose sum is σ = 150278208. Its totient is φ = 125231820.

The previous prime is 137754983. The next prime is 137755021. The reversal of 137755013 is 310557731.

137755013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310557731 = 1128232521.

It is a cyclic number.

It is not a de Polignac number, because 137755013 - 218 = 137492869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137755313) 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, 6261581 + ... + 6261602.

It is an arithmetic number, because the mean of its divisors is an integer number (37569552).

Almost surely, 2137755013 is an apocalyptic number.

It is an amenable number.

137755013 is a deficient number, since it is larger than the sum of its proper divisors (12523195).

137755013 is a wasteful number, since it uses less digits than its factorization.

137755013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12523194.

The product of its (nonzero) digits is 11025, while the sum is 32.

The square root of 137755013 is about 11736.9081533426. The cubic root of 137755013 is about 516.4589453343.

The spelling of 137755013 in words is "one hundred thirty-seven million, seven hundred fifty-five thousand, thirteen".

Divisors: 1 11 12523183 137755013