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116902161 = 3229447901
BaseRepresentation
bin1101111011111…
…00100100010001
322010222020121200
412331330210101
5214411332121
615333341413
72616436425
oct675744421
9263866550
10116902161
115aa96362
1233197869
131b2b0b9c
1411750b85
15a3e2a26
hex6f7c911

116902161 has 12 divisors (see below), whose sum is σ = 174681780. Its totient is φ = 75247200.

The previous prime is 116902151. The next prime is 116902199. The reversal of 116902161 is 161209611.

It can be written as a sum of positive squares in 2 ways, for example, as 36978561 + 79923600 = 6081^2 + 8940^2 .

It is not a de Polignac number, because 116902161 - 219 = 116377873 is a prime.

It is a super-2 number, since 2×1169021612 = 27332230492939842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (116902141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223690 + ... + 224211.

It is an arithmetic number, because the mean of its divisors is an integer number (14556815).

Almost surely, 2116902161 is an apocalyptic number.

It is an amenable number.

116902161 is a deficient number, since it is larger than the sum of its proper divisors (57779619).

116902161 is a wasteful number, since it uses less digits than its factorization.

116902161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447936 (or 447933 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 116902161 is about 10812.1302711353. The cubic root of 116902161 is about 488.9609538873.

The spelling of 116902161 in words is "one hundred sixteen million, nine hundred two thousand, one hundred sixty-one".

Divisors: 1 3 9 29 87 261 447901 1343703 4031109 12989129 38967387 116902161