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27379122253 = 72757738121
BaseRepresentation
bin11001011111111011…
…000100000001001101
32121200002122111222221
4121133323010001031
5422033023403003
620324445335341
71656323461600
oct313773040115
977602574887
1027379122253
111067a88986a
125381267551
1327743c2372
14147a330337
15aa39c27bd
hex65fec404d

27379122253 has 12 divisors (see below), whose sum is σ = 31891299132. Its totient is φ = 23436786240.

The previous prime is 27379122247. The next prime is 27379122347. The reversal of 27379122253 is 35222197372.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14927463684 + 12451658569 = 122178^2 + 111587^2 .

It is not a de Polignac number, because 27379122253 - 221 = 27377025101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27379128253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 331968 + ... + 406153.

It is an arithmetic number, because the mean of its divisors is an integer number (2657608261).

Almost surely, 227379122253 is an apocalyptic number.

It is an amenable number.

27379122253 is a deficient number, since it is larger than the sum of its proper divisors (4512176879).

27379122253 is an equidigital number, since it uses as much as digits as its factorization.

27379122253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738892 (or 738885 counting only the distinct ones).

The product of its digits is 317520, while the sum is 43.

The spelling of 27379122253 in words is "twenty-seven billion, three hundred seventy-nine million, one hundred twenty-two thousand, two hundred fifty-three".

Divisors: 1 7 49 757 5299 37093 738121 5166847 36167929 558757597 3911303179 27379122253