Base | Representation |
---|---|
bin | 101000111011110010… |
… | …0010101110111111010 |
3 | 22101220021110001011000 |
4 | 1101313210111313322 |
5 | 2420012233031102 |
6 | 104214432545430 |
7 | 6231243146325 |
oct | 1216744256772 |
9 | 271807401130 |
10 | 87905361402 |
11 | 3430a315111 |
12 | 150533b2276 |
13 | 839bb90861 |
14 | 437ca497bc |
15 | 244752301c |
hex | 1477915dfa |
87905361402 has 32 divisors (see below), whose sum is σ = 195356424960. Its totient is φ = 29300110560.
The previous prime is 87905361329. The next prime is 87905361431. The reversal of 87905361402 is 20416350978.
87905361402 is a `hidden beast` number, since 8 + 79 + 0 + 536 + 1 + 40 + 2 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1223878 + ... + 1293710.
It is an arithmetic number, because the mean of its divisors is an integer number (6104888280).
It is a 1-persistent number, because it is pandigital, but 2⋅87905361402 = 175810722804 is not.
Almost surely, 287905361402 is an apocalyptic number.
87905361402 is an abundant number, since it is smaller than the sum of its proper divisors (107451063558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87905361402 is a wasteful number, since it uses less digits than its factorization.
87905361402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93155 (or 93149 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The spelling of 87905361402 in words is "eighty-seven billion, nine hundred five million, three hundred sixty-one thousand, four hundred two".
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