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113055881 is a prime number
BaseRepresentation
bin1101011110100…
…01100010001001
321212201211111212
412233101202021
5212420242011
615115102505
72541646661
oct657214211
9255654455
10113055881
11588a9614
1231a41a35
131a565293
141102d1a1
159dd308b
hex6bd1889

113055881 has 2 divisors, whose sum is σ = 113055882. Its totient is φ = 113055880.

The previous prime is 113055869. The next prime is 113055883. The reversal of 113055881 is 188550311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109411600 + 3644281 = 10460^2 + 1909^2 .

It is a cyclic number.

It is not a de Polignac number, because 113055881 - 214 = 113039497 is a prime.

It is a super-2 number, since 2×1130558812 = 25563264457372322, which contains 22 as substring.

Together with 113055883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113055883) 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 as a sum of consecutive naturals, namely, 56527940 + 56527941.

It is an arithmetic number, because the mean of its divisors is an integer number (56527941).

Almost surely, 2113055881 is an apocalyptic number.

It is an amenable number.

113055881 is a deficient number, since it is larger than the sum of its proper divisors (1).

113055881 is an equidigital number, since it uses as much as digits as its factorization.

113055881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 32.

The square root of 113055881 is about 10632.7739090042. The cubic root of 113055881 is about 483.5384932710.

The spelling of 113055881 in words is "one hundred thirteen million, fifty-five thousand, eight hundred eighty-one".