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137450711 = 280349037
BaseRepresentation
bin10000011000101…
…01010011010111
3100120122012221002
420030111103113
5240141410321
621350013515
73256211636
oct1014252327
9316565832
10137450711
1170650832
123a04729b
1322626ba8
141437d51d
15c10120b
hex83154d7

137450711 has 4 divisors (see below), whose sum is σ = 137502552. Its totient is φ = 137398872.

The previous prime is 137450681. The next prime is 137450743. The reversal of 137450711 is 117054731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 117054731 = 863135637.

It is a cyclic number.

It is not a de Polignac number, because 137450711 - 26 = 137450647 is a prime.

It is a super-3 number, since 3×1374507113 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137450611) 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, 21716 + ... + 27321.

It is an arithmetic number, because the mean of its divisors is an integer number (34375638).

Almost surely, 2137450711 is an apocalyptic number.

137450711 is a deficient number, since it is larger than the sum of its proper divisors (51841).

137450711 is an equidigital number, since it uses as much as digits as its factorization.

137450711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51840.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 137450711 is about 11723.9375211573. The cubic root of 137450711 is about 516.0783775641.

The spelling of 137450711 in words is "one hundred thirty-seven million, four hundred fifty thousand, seven hundred eleven".

Divisors: 1 2803 49037 137450711