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12747958272 = 211327293407
BaseRepresentation
bin10111101111101011…
…00110100000000000
31012220102112101012200
423313311212200000
5202101434131042
65504544553200
7630622600050
oct136765464000
935812471180
1012747958272
115451987805
122579322800
1312820c5b9a
1488d0bb560
154e9267c4c
hex2f7d66800

12747958272 has 288 divisors, whose sum is σ = 43541971200. Its totient is φ = 3515645952.

The previous prime is 12747958259. The next prime is 12747958313. The reversal of 12747958272 is 27285974721.

12747958272 is a `hidden beast` number, since 1 + 27 + 479 + 5 + 82 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3739993 + ... + 3743399.

It is an arithmetic number, because the mean of its divisors is an integer number (151187400).

Almost surely, 212747958272 is an apocalyptic number.

12747958272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12747958272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21770985600).

12747958272 is an abundant number, since it is smaller than the sum of its proper divisors (30794012928).

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

12747958272 is a wasteful number, since it uses less digits than its factorization.

12747958272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471 (or 3448 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 54.

The spelling of 12747958272 in words is "twelve billion, seven hundred forty-seven million, nine hundred fifty-eight thousand, two hundred seventy-two".