Base | Representation |
---|---|
bin | 10011110011100101001100… |
… | …101110100101010010001000 |
3 | 102102102101201202210121211010 |
4 | 103303211030232211102020 |
5 | 42404132144331304203 |
6 | 505132350343403520 |
7 | 24230211344646024 |
oct | 2363451456452210 |
9 | 372371652717733 |
10 | 87107519009928 |
11 | 25834100657a7a |
12 | 992a02ba535a0 |
13 | 397b285982b81 |
14 | 17720526ab384 |
15 | a10cee50c303 |
hex | 4f394cba5488 |
87107519009928 has 32 divisors (see below), whose sum is σ = 217799717839200. Its totient is φ = 29031716961408.
The previous prime is 87107519009909. The next prime is 87107519009941. The reversal of 87107519009928 is 82990091570178.
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, 257496733 + ... + 257834796.
It is an arithmetic number, because the mean of its divisors is an integer number (6806241182475).
Almost surely, 287107519009928 is an apocalyptic number.
It is an amenable number.
87107519009928 is an abundant number, since it is smaller than the sum of its proper divisors (130692198829272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87107519009928 is a wasteful number, since it uses less digits than its factorization.
87107519009928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 515338581 (or 515338577 counting only the distinct ones).
The product of its (nonzero) digits is 22861440, while the sum is 66.
The spelling of 87107519009928 in words is "eighty-seven trillion, one hundred seven billion, five hundred nineteen million, nine thousand, nine hundred twenty-eight".
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