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117956319 = 31317177913
BaseRepresentation
bin1110000011111…
…01111011011111
322012221210122120
413001331323133
5220144100234
615412114023
72631416655
oct701757337
9265853576
10117956319
1160646368
1233605913
131b58c950
1411946dd5
15a550049
hex707dedf

117956319 has 16 divisors (see below), whose sum is σ = 179337312. Its totient is φ = 68318208.

The previous prime is 117956287. The next prime is 117956327. The reversal of 117956319 is 913659711.

It is not a de Polignac number, because 117956319 - 25 = 117956287 is a prime.

It is a super-2 number, since 2×1179563192 = 27827386384059522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117956329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88294 + ... + 89619.

It is an arithmetic number, because the mean of its divisors is an integer number (11208582).

Almost surely, 2117956319 is an apocalyptic number.

117956319 is a deficient number, since it is larger than the sum of its proper divisors (61380993).

117956319 is a wasteful number, since it uses less digits than its factorization.

117956319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177946.

The product of its digits is 51030, while the sum is 42.

The square root of 117956319 is about 10860.7697241034. The cubic root of 117956319 is about 490.4262832125.

The spelling of 117956319 in words is "one hundred seventeen million, nine hundred fifty-six thousand, three hundred nineteen".

Divisors: 1 3 13 17 39 51 221 663 177913 533739 2312869 3024521 6938607 9073563 39318773 117956319