Base | Representation |
---|---|
bin | 1010001110100000… |
… | …0010110000110101 |
3 | 21002022112202112000 |
4 | 2203220002300311 |
5 | 21110231331120 |
6 | 1132222445513 |
7 | 125012446545 |
oct | 24350026065 |
9 | 7068482460 |
10 | 2745183285 |
11 | 1189647919 |
12 | 647433899 |
13 | 349976610 |
14 | 1c0835325 |
15 | 11100c990 |
hex | a3a02c35 |
2745183285 has 128 divisors (see below), whose sum is σ = 5604802560. Its totient is φ = 1264336128.
The previous prime is 2745183281. The next prime is 2745183319. The reversal of 2745183285 is 5823815472.
2745183285 is a `hidden beast` number, since 27 + 4 + 518 + 32 + 85 = 666.
It is not a de Polignac number, because 2745183285 - 22 = 2745183281 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 2745183285.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2745183281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1896432 + ... + 1897878.
It is an arithmetic number, because the mean of its divisors is an integer number (43787520).
Almost surely, 22745183285 is an apocalyptic number.
It is an amenable number.
2745183285 is an abundant number, since it is smaller than the sum of its proper divisors (2859619275).
2745183285 is a wasteful number, since it uses less digits than its factorization.
2745183285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1544 (or 1538 counting only the distinct ones).
The product of its digits is 537600, while the sum is 45.
The square root of 2745183285 is about 52394.4967052838. The cubic root of 2745183285 is about 1400.2012100260.
The spelling of 2745183285 in words is "two billion, seven hundred forty-five million, one hundred eighty-three thousand, two hundred eighty-five".
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