Base | Representation |
---|---|
bin | 1000010100100101100… |
… | …10010100110001010101 |
3 | 1000100000222200202011201 |
4 | 10022102302110301111 |
5 | 14141041202213344 |
6 | 335204335032501 |
7 | 26441424132334 |
oct | 4122262246125 |
9 | 1010028622151 |
10 | 285930507349 |
11 | 100298354223 |
12 | 474b966b731 |
13 | 20c69ccb126 |
14 | dba6739d1b |
15 | 76874004d4 |
hex | 4292c94c55 |
285930507349 has 16 divisors (see below), whose sum is σ = 307108065600. Its totient is φ = 265380800256.
The previous prime is 285930507287. The next prime is 285930507361. The reversal of 285930507349 is 943705039582.
It is a cyclic number.
It is not a de Polignac number, because 285930507349 - 213 = 285930499157 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 285930507349.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (285930507649) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479917 + ... + 895645.
It is an arithmetic number, because the mean of its divisors is an integer number (19194254100).
Almost surely, 2285930507349 is an apocalyptic number.
It is an amenable number.
285930507349 is a deficient number, since it is larger than the sum of its proper divisors (21177558251).
285930507349 is a wasteful number, since it uses less digits than its factorization.
285930507349 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 416484.
The product of its (nonzero) digits is 8164800, while the sum is 55.
The spelling of 285930507349 in words is "two hundred eighty-five billion, nine hundred thirty million, five hundred seven thousand, three hundred forty-nine".
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