Base | Representation |
---|---|
bin | 1011000111110101… |
… | …1110001010011000 |
3 | 21201002002100010112 |
4 | 2301331132022120 |
5 | 22103313302220 |
6 | 1212133303452 |
7 | 133662605651 |
oct | 26175361230 |
9 | 7632070115 |
10 | 2985681560 |
11 | 12a2380824 |
12 | 6b3a94b88 |
13 | 3877401a4 |
14 | 20475a528 |
15 | 1271b65c5 |
hex | b1f5e298 |
2985681560 has 32 divisors (see below), whose sum is σ = 6760586160. Its totient is φ = 1186663296.
The previous prime is 2985681557. The next prime is 2985681599. The reversal of 2985681560 is 651865892.
It is a junction number, because it is equal to n+sod(n) for n = 2985681499 and 2985681508.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 231434 + ... + 243993.
Almost surely, 22985681560 is an apocalyptic number.
2985681560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2985681560 is an abundant number, since it is smaller than the sum of its proper divisors (3774904600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2985681560 is a wasteful number, since it uses less digits than its factorization.
2985681560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 475595 (or 475591 counting only the distinct ones).
The product of its (nonzero) digits is 1036800, while the sum is 50.
The square root of 2985681560 is about 54641.3905386750. The cubic root of 2985681560 is about 1439.9513808173.
The spelling of 2985681560 in words is "two billion, nine hundred eighty-five million, six hundred eighty-one thousand, five hundred sixty".
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