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27130733756 = 2272138422111
BaseRepresentation
bin11001010001000111…
…100010010010111100
32121000210021002000222
4121101013202102330
5421030431440011
620244053440512
71650216301100
oct312107422274
977023232028
1027130733756
1110562656915
125312040138
132734ac5319
141455353900
15a8bcaaddb
hex6511e24bc

27130733756 has 18 divisors (see below), whose sum is σ = 55230422688. Its totient is φ = 11627457240.

The previous prime is 27130733731. The next prime is 27130733759. The reversal of 27130733756 is 65733703172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27130733759) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69210860 + ... + 69211251.

It is an arithmetic number, because the mean of its divisors is an integer number (3068356816).

Almost surely, 227130733756 is an apocalyptic number.

It is an amenable number.

27130733756 is an abundant number, since it is smaller than the sum of its proper divisors (28099688932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27130733756 is a wasteful number, since it uses less digits than its factorization.

27130733756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138422129 (or 138422120 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 44.

The spelling of 27130733756 in words is "twenty-seven billion, one hundred thirty million, seven hundred thirty-three thousand, seven hundred fifty-six".

Divisors: 1 2 4 7 14 28 49 98 196 138422111 276844222 553688444 968954777 1937909554 3875819108 6782683439 13565366878 27130733756