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116664131 = 971378779
BaseRepresentation
bin1101111010000…
…10011101000011
322010112011002202
412331002131003
5214331223011
615324303415
72614425443
oct675023503
9263464082
10116664131
115a943541
12330a1b6b
131b22973c
14116cc123
15a39723b
hex6f42743

116664131 has 8 divisors (see below), whose sum is σ = 118740720. Its totient is φ = 114605568.

The previous prime is 116664113. The next prime is 116664139. The reversal of 116664131 is 131466611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-116664131 is a prime.

It is a super-2 number, since 2×1166641312 = 27221038923970322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 116664094 and 116664103.

It is not an unprimeable number, because it can be changed into a prime (116664139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8900 + ... + 17678.

It is an arithmetic number, because the mean of its divisors is an integer number (14842590).

Almost surely, 2116664131 is an apocalyptic number.

116664131 is a deficient number, since it is larger than the sum of its proper divisors (2076589).

116664131 is an equidigital number, since it uses as much as digits as its factorization.

116664131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9013.

The product of its digits is 2592, while the sum is 29.

The square root of 116664131 is about 10801.1171181503. The cubic root of 116664131 is about 488.6288629083.

The spelling of 116664131 in words is "one hundred sixteen million, six hundred sixty-four thousand, one hundred thirty-one".

Divisors: 1 97 137 8779 13289 851563 1202723 116664131