Base | Representation |
---|---|
bin | 1101110001011011101001… |
… | …11010000100111110001000 |
3 | 10222020021212210020211200110 |
4 | 12320231310322010332020 |
5 | 12432200232100121424 |
6 | 144225032054034320 |
7 | 6244034520445524 |
oct | 670556472047610 |
9 | 128207783224613 |
10 | 30285775785864 |
11 | 9717141978785 |
12 | 34917050489a0 |
13 | 13b8c233773b1 |
14 | 769ba732cd84 |
15 | 377c08815c29 |
hex | 1b8b74e84f88 |
30285775785864 has 64 divisors (see below), whose sum is σ = 79700923512000. Its totient is φ = 9563747569920.
The previous prime is 30285775785829. The next prime is 30285775785887. The reversal of 30285775785864 is 46858757758203.
It is a super-3 number, since 3×302857757858643 (a number of 41 digits) contains 333 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24504702 + ... + 25710930.
It is an arithmetic number, because the mean of its divisors is an integer number (1245326929875).
Almost surely, 230285775785864 is an apocalyptic number.
It is an amenable number.
30285775785864 is an abundant number, since it is smaller than the sum of its proper divisors (49415147726136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30285775785864 is a wasteful number, since it uses less digits than its factorization.
30285775785864 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1261318 (or 1261314 counting only the distinct ones).
The product of its (nonzero) digits is 3161088000, while the sum is 75.
The spelling of 30285775785864 in words is "thirty trillion, two hundred eighty-five billion, seven hundred seventy-five million, seven hundred eighty-five thousand, eight hundred sixty-four".
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