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27230816256 = 211372293119
BaseRepresentation
bin11001010111000101…
…010100100000000000
32121021202120210102020
4121113011110200000
5421232042110011
620302030521440
71652543055600
oct312705244000
977252523366
1027230816256
11106040a4326
12533b666280
13274c767537
141464766c00
15a9597a006
hex657154800

27230816256 has 288 divisors, whose sum is σ = 87390576000. Its totient is φ = 7509540864.

The previous prime is 27230816191. The next prime is 27230816273. The reversal of 27230816256 is 65261803272.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 8729065 + ... + 8732183.

It is an arithmetic number, because the mean of its divisors is an integer number (303439500).

Almost surely, 227230816256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27230816256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43695288000).

27230816256 is an abundant number, since it is smaller than the sum of its proper divisors (60159759744).

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

27230816256 is a wasteful number, since it uses less digits than its factorization.

27230816256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187 (or 3160 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 27230816256 in words is "twenty-seven billion, two hundred thirty million, eight hundred sixteen thousand, two hundred fifty-six".