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139845711 = 34110111257
BaseRepresentation
bin10000101010111…
…10000001001111
3100202010220020210
420111132001033
5241300030321
621513213503
73315445305
oct1025360117
9322126223
10139845711
1171a37175
123aa01293
1322c85055
1414804275
15c425b76
hex855e04f

139845711 has 16 divisors (see below), whose sum is σ = 192917088. Its totient is φ = 90048000.

The previous prime is 139845703. The next prime is 139845737. The reversal of 139845711 is 117548931.

It is not a de Polignac number, because 139845711 - 23 = 139845703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139845711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139840711) 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 15 ways as a sum of consecutive naturals, for example, 6795 + ... + 18051.

It is an arithmetic number, because the mean of its divisors is an integer number (12057318).

Almost surely, 2139845711 is an apocalyptic number.

139845711 is a deficient number, since it is larger than the sum of its proper divisors (53071377).

139845711 is a wasteful number, since it uses less digits than its factorization.

139845711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11402.

The product of its digits is 30240, while the sum is 39.

The square root of 139845711 is about 11825.6378686310. The cubic root of 139845711 is about 519.0585913263.

The spelling of 139845711 in words is "one hundred thirty-nine million, eight hundred forty-five thousand, seven hundred eleven".

Divisors: 1 3 41 101 123 303 4141 11257 12423 33771 461537 1136957 1384611 3410871 46615237 139845711