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137712571 = 3113133911
BaseRepresentation
bin10000011010101…
…01001110111011
3100121010112010121
420031111032323
5240223300241
621355354111
73261352243
oct1015251673
9317115117
10137712571
117080a547
123a152937
13226b9139
141440ab23
15c153ad1
hex83553bb

137712571 has 8 divisors (see below), whose sum is σ = 143244288. Its totient is φ = 132249000.

The previous prime is 137712559. The next prime is 137712581. The reversal of 137712571 is 175217731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137712571 - 29 = 137712059 is a prime.

It is a super-2 number, since 2×1377125712 = 37929504422860082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137712511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12895 + ... + 21016.

It is an arithmetic number, because the mean of its divisors is an integer number (17905536).

Almost surely, 2137712571 is an apocalyptic number.

137712571 is a deficient number, since it is larger than the sum of its proper divisors (5531717).

137712571 is a wasteful number, since it uses less digits than its factorization.

137712571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34073.

The product of its digits is 10290, while the sum is 34.

The square root of 137712571 is about 11735.0999569667. The cubic root of 137712571 is about 516.4058999519.

The spelling of 137712571 in words is "one hundred thirty-seven million, seven hundred twelve thousand, five hundred seventy-one".

Divisors: 1 31 131 4061 33911 1051241 4442341 137712571