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27130765461 = 39793232871
BaseRepresentation
bin11001010001000111…
…101010000010010101
32121000210022200112020
4121101013222002111
5421030433443321
620244054243353
71650216462402
oct312107520225
977023280466
1027130765461
1110562678718
125312056559
132734b06897
1414553612a9
15a8bcb54c6
hex6511ea095

27130765461 has 8 divisors (see below), whose sum is σ = 36547285824. Its totient is φ = 17900711040.

The previous prime is 27130765421. The next prime is 27130765471. The reversal of 27130765461 is 16456703172.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27130765461 - 214 = 27130749077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27130765421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46616145 + ... + 46616726.

It is an arithmetic number, because the mean of its divisors is an integer number (4568410728).

Almost surely, 227130765461 is an apocalyptic number.

It is an amenable number.

27130765461 is a deficient number, since it is larger than the sum of its proper divisors (9416520363).

27130765461 is an equidigital number, since it uses as much as digits as its factorization.

27130765461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93232971.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 27130765461 in words is "twenty-seven billion, one hundred thirty million, seven hundred sixty-five thousand, four hundred sixty-one".

Divisors: 1 3 97 291 93232871 279698613 9043588487 27130765461