Base | Representation |
---|---|
bin | 100111110100011110… |
… | …0011101100110010100 |
3 | 22011201111221020211212 |
4 | 1033220330131212110 |
5 | 2400112202330422 |
6 | 103141154320552 |
7 | 6115036422260 |
oct | 1175074354624 |
9 | 264644836755 |
10 | 85512542612 |
11 | 332a1667a22 |
12 | 146a5b89158 |
13 | 80aa21a753 |
14 | 41d2d390a0 |
15 | 23574199e2 |
hex | 13e8f1d994 |
85512542612 has 12 divisors (see below), whose sum is σ = 171025085280. Its totient is φ = 36648232536.
The previous prime is 85512542597. The next prime is 85512542629. The reversal of 85512542612 is 21624521558.
85512542612 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 85512542612.
It is a congruent number.
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, 1527009662 + ... + 1527009717.
It is an arithmetic number, because the mean of its divisors is an integer number (14252090440).
Almost surely, 285512542612 is an apocalyptic number.
It is an amenable number.
85512542612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85512542612 is a wasteful number, since it uses less digits than its factorization.
85512542612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3054019390 (or 3054019388 counting only the distinct ones).
The product of its digits is 192000, while the sum is 41.
The spelling of 85512542612 in words is "eighty-five billion, five hundred twelve million, five hundred forty-two thousand, six hundred twelve".
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