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27256506072 = 2339187123619
BaseRepresentation
bin11001011000100111…
…010100011011011000
32121100112220222012220
4121120213110123120
5421310131143242
620304345304040
71653304323165
oct313047243330
977315828186
1027256506072
1110617650484
125348195020
132754b90703
141467d3306c
15a97d51bec
hex6589d46d8

27256506072 has 32 divisors (see below), whose sum is σ = 68149233600. Its totient is φ = 9084439584.

The previous prime is 27256506059. The next prime is 27256506091. The reversal of 27256506072 is 27060565272.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 158679 + ... + 282297.

It is an arithmetic number, because the mean of its divisors is an integer number (2129663550).

Almost surely, 227256506072 is an apocalyptic number.

It is an amenable number.

27256506072 is an abundant number, since it is smaller than the sum of its proper divisors (40892727528).

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

27256506072 is a wasteful number, since it uses less digits than its factorization.

27256506072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132815 (or 132811 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 42.

The spelling of 27256506072 in words is "twenty-seven billion, two hundred fifty-six million, five hundred six thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 24 9187 18374 27561 36748 55122 73496 110244 123619 220488 247238 370857 494476 741714 988952 1483428 2966856 1135687753 2271375506 3407063259 4542751012 6814126518 9085502024 13628253036 27256506072