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113445779 is a prime number
BaseRepresentation
bin1101100001100…
…00101110010011
321220110122100112
412300300232103
5213020231104
615131311535
72545162466
oct660605623
9256418315
10113445779
1159045547
1231bab5ab
131a6708a5
14110d12dd
159e5d86e
hex6c30b93

113445779 has 2 divisors, whose sum is σ = 113445780. Its totient is φ = 113445778.

The previous prime is 113445757. The next prime is 113445781. The reversal of 113445779 is 977544311.

It is a strong prime.

It is an emirp because it is prime and its reverse (977544311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113445779 - 212 = 113441683 is a prime.

Together with 113445781, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (113442779) 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, 56722889 + 56722890.

It is an arithmetic number, because the mean of its divisors is an integer number (56722890).

Almost surely, 2113445779 is an apocalyptic number.

113445779 is a deficient number, since it is larger than the sum of its proper divisors (1).

113445779 is an equidigital number, since it uses as much as digits as its factorization.

113445779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 41.

The square root of 113445779 is about 10651.0928547262. The cubic root of 113445779 is about 484.0937183339.

The spelling of 113445779 in words is "one hundred thirteen million, four hundred forty-five thousand, seven hundred seventy-nine".