Base | Representation |
---|---|
bin | 101000100001010010… |
… | …0111100111010001011 |
3 | 22022121022120111202012 |
4 | 1101002210330322023 |
5 | 2411202140010333 |
6 | 103550313530135 |
7 | 6200226406553 |
oct | 1210244747213 |
9 | 268538514665 |
10 | 87016328843 |
11 | 339a34a3864 |
12 | 14a4571394b |
13 | 82899371a2 |
14 | 42d6946163 |
15 | 23e4460e48 |
hex | 144293ce8b |
87016328843 has 16 divisors (see below), whose sum is σ = 93927600000. Its totient is φ = 80318164992.
The previous prime is 87016328837. The next prime is 87016328857. The reversal of 87016328843 is 34882361078.
It is a cyclic number.
It is not a de Polignac number, because 87016328843 - 216 = 87016263307 is a prime.
It is a super-2 number, since 2×870163288432 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 87016328791 and 87016328800.
It is not an unprimeable number, because it can be changed into a prime (87016328873) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17318 + ... + 417531.
It is an arithmetic number, because the mean of its divisors is an integer number (5870475000).
Almost surely, 287016328843 is an apocalyptic number.
87016328843 is a deficient number, since it is larger than the sum of its proper divisors (6911271157).
87016328843 is a wasteful number, since it uses less digits than its factorization.
87016328843 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 435094.
The product of its (nonzero) digits is 1548288, while the sum is 50.
The spelling of 87016328843 in words is "eighty-seven billion, sixteen million, three hundred twenty-eight thousand, eight hundred forty-three".
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