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137711071 = 1093912589
BaseRepresentation
bin10000011010101…
…00110111011111
3100121010110002001
420031110313133
5240223223241
621355343131
73261345001
oct1015246737
9317113061
10137711071
1170809403
123a151aa7
13226b8554
141440a371
15c153431
hex8354ddf

137711071 has 4 divisors (see below), whose sum is σ = 137734600. Its totient is φ = 137687544.

The previous prime is 137711047. The next prime is 137711117. The reversal of 137711071 is 170117731.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-137711071 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 (137711011) 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, 4645 + ... + 17233.

It is an arithmetic number, because the mean of its divisors is an integer number (34433650).

Almost surely, 2137711071 is an apocalyptic number.

137711071 is a deficient number, since it is larger than the sum of its proper divisors (23529).

137711071 is a wasteful number, since it uses less digits than its factorization.

137711071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23528.

The product of its (nonzero) digits is 1029, while the sum is 28.

The square root of 137711071 is about 11735.0360459608. The cubic root of 137711071 is about 516.4040250040.

The spelling of 137711071 in words is "one hundred thirty-seven million, seven hundred eleven thousand, seventy-one".

Divisors: 1 10939 12589 137711071