Base | Representation |
---|---|
bin | 101000101011011111… |
… | …0111110010100000100 |
3 | 22100111011210111100122 |
4 | 1101112332332110010 |
5 | 2412402311212120 |
6 | 104044304001112 |
7 | 6211554436616 |
oct | 1212676762404 |
9 | 270434714318 |
10 | 87358694660 |
11 | 34059784316 |
12 | 14b20300198 |
13 | 8312849603 |
14 | 432a1c6db6 |
15 | 241453ca25 |
hex | 1456fbe504 |
87358694660 has 48 divisors (see below), whose sum is σ = 184568896512. Its totient is φ = 34731513600.
The previous prime is 87358694653. The next prime is 87358694677. The reversal of 87358694660 is 6649685378.
It is a super-2 number, since 2×873586946602 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 87358694593 and 87358694602.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2644445 + ... + 2677275.
It is an arithmetic number, because the mean of its divisors is an integer number (3845185344).
Almost surely, 287358694660 is an apocalyptic number.
It is an amenable number.
87358694660 is an abundant number, since it is smaller than the sum of its proper divisors (97210201852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87358694660 is a wasteful number, since it uses less digits than its factorization.
87358694660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33644 (or 33642 counting only the distinct ones).
The product of its (nonzero) digits is 52254720, while the sum is 62.
The spelling of 87358694660 in words is "eighty-seven billion, three hundred fifty-eight million, six hundred ninety-four thousand, six hundred sixty".
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