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137657101 = 891546709
BaseRepresentation
bin10000011010001…
…11101100001101
3100121000201001011
420031013230031
5240220011401
621354245221
73261031441
oct1015075415
9317021034
10137657101
11707818aa
123a126811
1322699b0a
14143d4821
15c142451
hex8347b0d

137657101 has 4 divisors (see below), whose sum is σ = 139203900. Its totient is φ = 136110304.

The previous prime is 137657063. The next prime is 137657111. The reversal of 137657101 is 101756731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22610025 + 115047076 = 4755^2 + 10726^2 .

It is a cyclic number.

It is not a de Polignac number, because 137657101 - 211 = 137655053 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 (137657111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773266 + ... + 773443.

It is an arithmetic number, because the mean of its divisors is an integer number (34800975).

Almost surely, 2137657101 is an apocalyptic number.

It is an amenable number.

137657101 is a deficient number, since it is larger than the sum of its proper divisors (1546799).

137657101 is an equidigital number, since it uses as much as digits as its factorization.

137657101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546798.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 137657101 is about 11732.7362963633. The cubic root of 137657101 is about 516.3365553211.

The spelling of 137657101 in words is "one hundred thirty-seven million, six hundred fifty-seven thousand, one hundred one".

Divisors: 1 89 1546709 137657101