Base | Representation |
---|---|
bin | 101000100001000110… |
… | …0001010011010001000 |
3 | 22022120212100100202011 |
4 | 1101002030022122020 |
5 | 2411144004034121 |
6 | 103545522345304 |
7 | 6200120233216 |
oct | 1210214123210 |
9 | 268525310664 |
10 | 87009830536 |
11 | 3399a865562 |
12 | 14a434bb234 |
13 | 82884a0435 |
14 | 42d5b33cb6 |
15 | 23e3aca7e1 |
hex | 144230a688 |
87009830536 has 16 divisors (see below), whose sum is σ = 168769068300. Its totient is φ = 42004745664.
The previous prime is 87009830503. The next prime is 87009830629. The reversal of 87009830536 is 63503890078.
It can be written as a sum of positive squares in 2 ways, for example, as 79902328900 + 7107501636 = 282670^2 + 84306^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 87009830536.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187520955 + ... + 187521418.
Almost surely, 287009830536 is an apocalyptic number.
It is an amenable number.
87009830536 is a deficient number, since it is larger than the sum of its proper divisors (81759237764).
87009830536 is a wasteful number, since it uses less digits than its factorization.
87009830536 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 375042408 (or 375042404 counting only the distinct ones).
The product of its (nonzero) digits is 1088640, while the sum is 49.
The spelling of 87009830536 in words is "eighty-seven billion, nine million, eight hundred thirty thousand, five hundred thirty-six".
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