Base | Representation |
---|---|
bin | 101000110101100111… |
… | …1010110011011110000 |
3 | 22101100212021000122202 |
4 | 1101223033112123300 |
5 | 2414101311011310 |
6 | 104142123522332 |
7 | 6223152136355 |
oct | 1215317263360 |
9 | 271325230582 |
10 | 87698532080 |
11 | 34213598195 |
12 | 14bb60893a8 |
13 | 8368084c43 |
14 | 435d3aa62c |
15 | 24342ba3a5 |
hex | 146b3d66f0 |
87698532080 has 40 divisors (see below), whose sum is σ = 204813474432. Its totient is φ = 34922098944.
The previous prime is 87698532071. The next prime is 87698532107. The reversal of 87698532080 is 8023589678.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
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, 2440079 + ... + 2475758.
Almost surely, 287698532080 is an apocalyptic number.
87698532080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
87698532080 is an abundant number, since it is smaller than the sum of its proper divisors (117114942352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87698532080 is a wasteful number, since it uses less digits than its factorization.
87698532080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4916073 (or 4916067 counting only the distinct ones).
The product of its (nonzero) digits is 5806080, while the sum is 56.
The spelling of 87698532080 in words is "eighty-seven billion, six hundred ninety-eight million, five hundred thirty-two thousand, eighty".
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