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113730881 = 1110339171
BaseRepresentation
bin1101100011101…
…10010101000001
321221000010102212
412301312111001
5213103342011
615141351505
72550460625
oct661662501
9257003385
10113730881
115921a770
1232108595
131a7405a4
1411167185
159eb808b
hex6c76541

113730881 has 4 divisors (see below), whose sum is σ = 124070064. Its totient is φ = 103391700.

The previous prime is 113730871. The next prime is 113730887. The reversal of 113730881 is 188037311.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-113730881 is a prime.

It is a super-2 number, since 2×1137308812 = 25869426586072322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113730887) 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, 5169575 + ... + 5169596.

It is an arithmetic number, because the mean of its divisors is an integer number (31017516).

Almost surely, 2113730881 is an apocalyptic number.

113730881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113730881 is a deficient number, since it is larger than the sum of its proper divisors (10339183).

113730881 is a wasteful number, since it uses less digits than its factorization.

113730881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10339182.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 113730881 is about 10664.4681536399. The cubic root of 113730881 is about 484.4989064129.

The spelling of 113730881 in words is "one hundred thirteen million, seven hundred thirty thousand, eight hundred eighty-one".

Divisors: 1 11 10339171 113730881