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137865106 = 268932553
BaseRepresentation
bin10000011011110…
…10011110010010
3100121102021101001
420031322132102
5240243140411
621402532214
73262556041
oct1015723622
9317367331
10137865106
1170904105
123a20706a
13227406b2
141444a558
15c183dc1
hex837a792

137865106 has 4 divisors (see below), whose sum is σ = 206797662. Its totient is φ = 68932552.

The previous prime is 137865103. The next prime is 137865107. The reversal of 137865106 is 601568731.

137865106 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.

It can be written as a sum of positive squares in only one way, i.e., 125552025 + 12313081 = 11205^2 + 3509^2 .

It is not an unprimeable number, because it can be changed into a prime (137865103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34466275 + ... + 34466278.

Almost surely, 2137865106 is an apocalyptic number.

137865106 is a deficient number, since it is larger than the sum of its proper divisors (68932556).

137865106 is an equidigital number, since it uses as much as digits as its factorization.

137865106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68932555.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 137865106 is about 11741.5972508003. The cubic root of 137865106 is about 516.5964923539.

The spelling of 137865106 in words is "one hundred thirty-seven million, eight hundred sixty-five thousand, one hundred six".

Divisors: 1 2 68932553 137865106