Base | Representation |
---|---|
bin | 101000100010101100… |
… | …0010000000000000000 |
3 | 22022201121000110100000 |
4 | 1101011120100000000 |
5 | 2411301203041231 |
6 | 103555113200000 |
7 | 6201340046550 |
oct | 1210530200000 |
9 | 268647013300 |
10 | 87063330816 |
11 | 33a17a87070 |
12 | 14a59400000 |
13 | 82965b2ac7 |
14 | 42dcc9d160 |
15 | 23e86476e6 |
hex | 1445610000 |
87063330816 has 816 divisors, whose sum is σ = 329770441728. Its totient is φ = 22295347200.
The previous prime is 87063330803. The next prime is 87063330821. The reversal of 87063330816 is 61803336078.
87063330816 is a `hidden beast` number, since 8 + 7 + 0 + 633 + 3 + 0 + 8 + 1 + 6 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1226244061 + ... + 1226244131.
Almost surely, 287063330816 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 87063330816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164885220864).
87063330816 is an abundant number, since it is smaller than the sum of its proper divisors (242707110912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87063330816 is an frugal number, since it uses more digits than its factorization.
87063330816 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136 (or 94 counting only the distinct ones).
The product of its (nonzero) digits is 435456, while the sum is 45.
The spelling of 87063330816 in words is "eighty-seven billion, sixty-three million, three hundred thirty thousand, eight hundred sixteen".
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