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27745060272 = 2432692148781
BaseRepresentation
bin11001110101101111…
…000000010110110000
32122121121020002120220
4121311233000112300
5423310213412042
620425040533040
72001356056356
oct316557002660
978547202526
1027745060272
11108483aa486
125463921180
132802168b37
1414b2b897d6
15ac5ba88ec
hex675bc05b0

27745060272 has 40 divisors (see below), whose sum is σ = 71941221360. Its totient is φ = 9213968640.

The previous prime is 27745060249. The next prime is 27745060279. The reversal of 27745060272 is 27206054772.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27745060279) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1061479 + ... + 1087302.

It is an arithmetic number, because the mean of its divisors is an integer number (1798530534).

Almost surely, 227745060272 is an apocalyptic number.

It is an amenable number.

27745060272 is an abundant number, since it is smaller than the sum of its proper divisors (44196161088).

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

27745060272 is a wasteful number, since it uses less digits than its factorization.

27745060272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149061 (or 2149055 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 42.

The spelling of 27745060272 in words is "twenty-seven billion, seven hundred forty-five million, sixty thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 269 538 807 1076 1614 2152 3228 4304 6456 12912 2148781 4297562 6446343 8595124 12892686 17190248 25785372 34380496 51570744 103141488 578022089 1156044178 1734066267 2312088356 3468132534 4624176712 6936265068 9248353424 13872530136 27745060272