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113556161 = 1031278681
BaseRepresentation
bin1101100010010…
…11101011000001
321220200020202202
412301023223001
5213032244121
615133522545
72546132345
oct661135301
9256606682
10113556161
1159110474
1232043455
131a6abbc4
141111d625
159e8140b
hex6c4bac1

113556161 has 8 divisors (see below), whose sum is σ = 115574784. Its totient is φ = 111555360.

The previous prime is 113556151. The next prime is 113556167. The reversal of 113556161 is 161655311.

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-113556161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113556167) 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 7 ways as a sum of consecutive naturals, for example, 8741 + ... + 17421.

It is an arithmetic number, because the mean of its divisors is an integer number (14446848).

Almost surely, 2113556161 is an apocalyptic number.

It is an amenable number.

113556161 is a deficient number, since it is larger than the sum of its proper divisors (2018623).

113556161 is a wasteful number, since it uses less digits than its factorization.

113556161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8911.

The product of its digits is 2700, while the sum is 29.

The square root of 113556161 is about 10656.2733166900. The cubic root of 113556161 is about 484.2506741118.

The spelling of 113556161 in words is "one hundred thirteen million, five hundred fifty-six thousand, one hundred sixty-one".

Divisors: 1 103 127 8681 13081 894143 1102487 113556161