Base | Representation |
---|---|
bin | 101000100010100110… |
… | …1101111010101000100 |
3 | 22022201101211110211100 |
4 | 1101011031233111010 |
5 | 2411300001404211 |
6 | 103554534140100 |
7 | 6201304452663 |
oct | 1210515572504 |
9 | 268641743740 |
10 | 87060575556 |
11 | 33a16474a99 |
12 | 14a584b1630 |
13 | 8295b59986 |
14 | 42dc782dda |
15 | 23e82a1156 |
hex | 144536f544 |
87060575556 has 36 divisors (see below), whose sum is σ = 220103433004. Its totient is φ = 29015755200.
The previous prime is 87060575549. The next prime is 87060575617. The reversal of 87060575556 is 65557506078.
87060575556 is a `hidden beast` number, since 8 + 7 + 0 + 60 + 575 + 5 + 5 + 6 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 48129339456 + 38931236100 = 219384^2 + 197310^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×870605755562 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 58266 + ... + 421326.
Almost surely, 287060575556 is an apocalyptic number.
It is an amenable number.
87060575556 is an abundant number, since it is smaller than the sum of its proper divisors (133042857448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87060575556 is a wasteful number, since it uses less digits than its factorization.
87060575556 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 369732 (or 369727 counting only the distinct ones).
The product of its (nonzero) digits is 8820000, while the sum is 54.
The spelling of 87060575556 in words is "eighty-seven billion, sixty million, five hundred seventy-five thousand, five hundred fifty-six".
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