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71161167112 = 2372549498523
BaseRepresentation
bin100001001000110001…
…0010011110100001000
320210200100021211200221
41002101202103310020
52131214224321422
652405130435424
75066303640340
oct1022142236410
9223610254627
1071161167112
11281a7695112
121195b892b74
136930b93599
143630d17d20
151cb752a3c7
hex1091893d08

71161167112 has 32 divisors (see below), whose sum is σ = 152548344000. Its totient is φ = 30485617344.

The previous prime is 71161167107. The next prime is 71161167127. The reversal of 71161167112 is 21176116117.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 106518 + ... + 392005.

It is an arithmetic number, because the mean of its divisors is an integer number (4767135750).

Almost surely, 271161167112 is an apocalyptic number.

It is an amenable number.

71161167112 is an abundant number, since it is smaller than the sum of its proper divisors (81387176888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71161167112 is a wasteful number, since it uses less digits than its factorization.

71161167112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501085 (or 501081 counting only the distinct ones).

The product of its digits is 3528, while the sum is 34.

The spelling of 71161167112 in words is "seventy-one billion, one hundred sixty-one million, one hundred sixty-seven thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 2549 5098 10196 17843 20392 35686 71372 142744 498523 997046 1994092 3489661 3988184 6979322 13958644 27917288 1270735127 2541470254 5082940508 8895145889 10165881016 17790291778 35580583556 71161167112