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27303071225 = 521408777527
BaseRepresentation
bin11001011011011000…
…111100110111111001
32121110210112201121012
4121123120330313321
5421404041234400
620313131323305
71654411163513
oct313330746771
977423481535
1027303071225
1110640965581
12535b8b0535
132761715561
1414701b4bb3
15a9be9dd35
hex65b63cdf9

27303071225 has 12 divisors (see below), whose sum is σ = 33858648384. Its totient is φ = 21840624720.

The previous prime is 27303071207. The next prime is 27303071239. The reversal of 27303071225 is 52217030372.

It is a de Polignac number, because none of the positive numbers 2k-27303071225 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27303071191 and 27303071200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 313412 + ... + 390938.

It is an arithmetic number, because the mean of its divisors is an integer number (2821554032).

Almost surely, 227303071225 is an apocalyptic number.

27303071225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27303071225 is a deficient number, since it is larger than the sum of its proper divisors (6555577159).

27303071225 is a wasteful number, since it uses less digits than its factorization.

27303071225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91624 (or 91619 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The spelling of 27303071225 in words is "twenty-seven billion, three hundred three million, seventy-one thousand, two hundred twenty-five".

Divisors: 1 5 25 14087 70435 77527 352175 387635 1938175 1092122849 5460614245 27303071225