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116568913 = 187162303
BaseRepresentation
bin1101111001010…
…11001101010001
322010100022111011
412330223031101
5214320201123
615322250521
72613551026
oct674531521
9263308434
10116568913
115a888a4a
1233056a41
131b1c52b6
14116a554d
15a378e0d
hex6f2b351

116568913 has 4 divisors (see below), whose sum is σ = 116633088. Its totient is φ = 116504740.

The previous prime is 116568901. The next prime is 116568919. The reversal of 116568913 is 319865611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 319865611 = 1324605047.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-116568913 is a prime.

It is a super-2 number, since 2×1165689132 = 27176622956003138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116568919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29281 + ... + 33022.

It is an arithmetic number, because the mean of its divisors is an integer number (29158272).

Almost surely, 2116568913 is an apocalyptic number.

It is an amenable number.

116568913 is a deficient number, since it is larger than the sum of its proper divisors (64175).

116568913 is an equidigital number, since it uses as much as digits as its factorization.

116568913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64174.

The product of its digits is 38880, while the sum is 40.

The square root of 116568913 is about 10796.7084335922. The cubic root of 116568913 is about 488.4958916565.

The spelling of 116568913 in words is "one hundred sixteen million, five hundred sixty-eight thousand, nine hundred thirteen".

Divisors: 1 1871 62303 116568913