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115596881 is a prime number
BaseRepresentation
bin1101110001111…
…01111001010001
322001111221002222
412320331321101
5214043100011
615245350425
72602362101
oct670757121
9261457088
10115596881
115a284714
1232868415
131ac44a2a
14114d1201
15a235ddb
hex6e3de51

115596881 has 2 divisors, whose sum is σ = 115596882. Its totient is φ = 115596880.

The previous prime is 115596749. The next prime is 115596883. The reversal of 115596881 is 188695511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67502656 + 48094225 = 8216^2 + 6935^2 .

It is a cyclic number.

It is not a de Polignac number, because 115596881 - 226 = 48488017 is a prime.

It is a super-2 number, since 2×1155968812 = 26725277793856322, which contains 22 as substring.

Together with 115596883, 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 (115596883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57798440 + 57798441.

It is an arithmetic number, because the mean of its divisors is an integer number (57798441).

Almost surely, 2115596881 is an apocalyptic number.

It is an amenable number.

115596881 is a deficient number, since it is larger than the sum of its proper divisors (1).

115596881 is an equidigital number, since it uses as much as digits as its factorization.

115596881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 44.

The square root of 115596881 is about 10751.5989973585. The cubic root of 115596881 is about 487.1342947411.

The spelling of 115596881 in words is "one hundred fifteen million, five hundred ninety-six thousand, eight hundred eighty-one".