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27258005225 = 521199120019
BaseRepresentation
bin11001011000101101…
…000010011011101001
32121100122202010200002
4121120231002123221
5421311022131400
620304441352345
71653323135663
oct313055023351
977318663602
1027258005225
1110618484850
1253487986b5
132755296b99
141468203533
15a9804aed5
hex658b426e9

27258005225 has 12 divisors (see below), whose sum is σ = 36872647440. Its totient is φ = 19824003600.

The previous prime is 27258005197. The next prime is 27258005231. The reversal of 27258005225 is 52250085272.

It is not a de Polignac number, because 27258005225 - 218 = 27257743081 is a prime.

It is a super-2 number, since 2×272580052252 (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49559735 + ... + 49560284.

It is an arithmetic number, because the mean of its divisors is an integer number (3072720620).

Almost surely, 227258005225 is an apocalyptic number.

27258005225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27258005225 is a deficient number, since it is larger than the sum of its proper divisors (9614642215).

27258005225 is a wasteful number, since it uses less digits than its factorization.

27258005225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99120040 (or 99120035 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 38.

The spelling of 27258005225 in words is "twenty-seven billion, two hundred fifty-eight million, five thousand, two hundred twenty-five".

Divisors: 1 5 11 25 55 275 99120019 495600095 1090320209 2478000475 5451601045 27258005225