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113672681 is a prime number
BaseRepresentation
bin1101100011010…
…00000111101001
321220220011121022
412301220013221
5213100011211
615140222225
72550126143
oct661500751
9256804538
10113672681
115918aa71
123209a975
131a71cc55
141114dc93
159ea5bdb
hex6c681e9

113672681 has 2 divisors, whose sum is σ = 113672682. Its totient is φ = 113672680.

The previous prime is 113672653. The next prime is 113672701. The reversal of 113672681 is 186276311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111112681 + 2560000 = 10541^2 + 1600^2 .

It is a cyclic number.

It is not a de Polignac number, because 113672681 - 214 = 113656297 is a prime.

It is a super-2 number, since 2×1136726812 = 25842956811455522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113672641) 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, 56836340 + 56836341.

It is an arithmetic number, because the mean of its divisors is an integer number (56836341).

Almost surely, 2113672681 is an apocalyptic number.

It is an amenable number.

113672681 is a deficient number, since it is larger than the sum of its proper divisors (1).

113672681 is an equidigital number, since it uses as much as digits as its factorization.

113672681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 113672681 is about 10661.7391170484. The cubic root of 113672681 is about 484.4162473983.

The spelling of 113672681 in words is "one hundred thirteen million, six hundred seventy-two thousand, six hundred eighty-one".