Base | Representation |
---|---|
bin | 101000100001000000… |
… | …0010010111010000000 |
3 | 22022120122111022100220 |
4 | 1101002000102322000 |
5 | 2411142210011431 |
6 | 103545331543040 |
7 | 6200051625405 |
oct | 1210200227200 |
9 | 268518438326 |
10 | 87006719616 |
11 | 33999030253 |
12 | 14a4245aa80 |
13 | 828795145b |
14 | 42d55642ac |
15 | 23e36b3b96 |
hex | 1442012e80 |
87006719616 has 64 divisors (see below), whose sum is σ = 231145423200. Its totient is φ = 28997995520.
The previous prime is 87006719587. The next prime is 87006719621. The reversal of 87006719616 is 61691760078.
It is a tau number, because it is divible by the number of its divisors (64).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3685771 + ... + 3709301.
Almost surely, 287006719616 is an apocalyptic number.
It is an amenable number.
87006719616 is an abundant number, since it is smaller than the sum of its proper divisors (144138703584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87006719616 is a wasteful number, since it uses less digits than its factorization.
87006719616 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33177 (or 33165 counting only the distinct ones).
The product of its (nonzero) digits is 762048, while the sum is 51.
The spelling of 87006719616 in words is "eighty-seven billion, six million, seven hundred nineteen thousand, six hundred sixteen".
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