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117712071 = 3234613779
BaseRepresentation
bin1110000010000…
…10010011000111
322012111101121100
413001002103013
5220113241241
615402551143
72626351611
oct701022307
9265441540
10117712071
1160499904
12335084b3
131b505719
14118c1db1
15a5029b6
hex70424c7

117712071 has 12 divisors (see below), whose sum is σ = 170122680. Its totient is φ = 78431280.

The previous prime is 117712069. The next prime is 117712079. The reversal of 117712071 is 170217711.

It is not a de Polignac number, because 117712071 - 21 = 117712069 is a prime.

It is a super-2 number, since 2×1177120712 = 27712263318218082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117712079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29260 + ... + 33038.

It is an arithmetic number, because the mean of its divisors is an integer number (14176890).

Almost surely, 2117712071 is an apocalyptic number.

117712071 is a deficient number, since it is larger than the sum of its proper divisors (52410609).

117712071 is a wasteful number, since it uses less digits than its factorization.

117712071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7246 (or 7243 counting only the distinct ones).

The product of its (nonzero) digits is 686, while the sum is 27.

The square root of 117712071 is about 10849.5193902772. The cubic root of 117712071 is about 490.0875464844.

Adding to 117712071 its reverse (170217711), we get a palindrome (287929782).

The spelling of 117712071 in words is "one hundred seventeen million, seven hundred twelve thousand, seventy-one".

Divisors: 1 3 9 3461 3779 10383 11337 31149 34011 13079119 39237357 117712071