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116679691 = 313763861
BaseRepresentation
bin1101111010001…
…10010000001011
322010112221110001
412331012100023
5214332222231
615324503431
72614522012
oct675062013
9263487401
10116679691
115a9541a7
12330aab77
131b23384b
14116d3a79
15a39bb61
hex6f4640b

116679691 has 4 divisors (see below), whose sum is σ = 120443584. Its totient is φ = 112915800.

The previous prime is 116679671. The next prime is 116679697. The reversal of 116679691 is 196976611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 196976611 = 1315152047.

It is a cyclic number.

It is not a de Polignac number, because 116679691 - 215 = 116646923 is a prime.

It is a super-2 number, since 2×1166796912 = 27228300583710962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116679697) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1881900 + ... + 1881961.

It is an arithmetic number, because the mean of its divisors is an integer number (30110896).

Almost surely, 2116679691 is an apocalyptic number.

116679691 is a deficient number, since it is larger than the sum of its proper divisors (3763893).

116679691 is an equidigital number, since it uses as much as digits as its factorization.

116679691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3763892.

The product of its digits is 122472, while the sum is 46.

The square root of 116679691 is about 10801.8373899999. The cubic root of 116679691 is about 488.6505854579.

It can be divided in two parts, 116679 and 691, that added together give a triangular number (117370 = T484).

The spelling of 116679691 in words is "one hundred sixteen million, six hundred seventy-nine thousand, six hundred ninety-one".

Divisors: 1 31 3763861 116679691