Search a number
-
+
115616051 = 181163841
BaseRepresentation
bin1101110010000…
…10100100110011
322001112220101222
412321002210303
5214044203201
615250015255
72602502015
oct671024463
9261486358
10115616051
115a298061
123287752b
131ac50685
14114d81b5
15a23b91b
hex6e42933

115616051 has 4 divisors (see below), whose sum is σ = 115681704. Its totient is φ = 115550400.

The previous prime is 115616021. The next prime is 115616057. The reversal of 115616051 is 150616511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115616051 - 226 = 48507187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115616051.

It is not an unprimeable number, because it can be changed into a prime (115616057) 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, 30110 + ... + 33731.

It is an arithmetic number, because the mean of its divisors is an integer number (28920426).

Almost surely, 2115616051 is an apocalyptic number.

115616051 is a deficient number, since it is larger than the sum of its proper divisors (65653).

115616051 is an equidigital number, since it uses as much as digits as its factorization.

115616051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65652.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 115616051 is about 10752.4904557037. The cubic root of 115616051 is about 487.1612212123.

The spelling of 115616051 in words is "one hundred fifteen million, six hundred sixteen thousand, fifty-one".

Divisors: 1 1811 63841 115616051