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27230505792 = 2637237137571
BaseRepresentation
bin11001010111000100…
…001000101101000000
32121021202000000112120
4121113010020231000
5421232002141132
620302020124240
71652540323500
oct312704105500
977252000476
1027230505792
1110603a02046
12533b536680
13274c689129
1414646c5a00
15a9591802c
hex657108b40

27230505792 has 336 divisors, whose sum is σ = 86855491008. Its totient is φ = 7501455360.

The previous prime is 27230505787. The next prime is 27230505833. The reversal of 27230505792 is 29750503272.

It is a tau number, because it is divible by the number of its divisors (336).

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47688867 + ... + 47689437.

Almost surely, 227230505792 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 27230505792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43427745504).

27230505792 is an abundant number, since it is smaller than the sum of its proper divisors (59624985216).

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

27230505792 is a wasteful number, since it uses less digits than its factorization.

27230505792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 42.

The spelling of 27230505792 in words is "twenty-seven billion, two hundred thirty million, five hundred five thousand, seven hundred ninety-two".