Base | Representation |
---|---|
bin | 1000010011001100100… |
… | …00100100010111011110 |
3 | 1000021002220222212000010 |
4 | 10021212100210113132 |
5 | 14133023431221310 |
6 | 335002251144050 |
7 | 26414053264212 |
oct | 4114620442736 |
9 | 1007086885003 |
10 | 285183460830 |
11 | aaa446a1104 |
12 | 4732b445026 |
13 | 20b7b2c8a78 |
14 | db35436942 |
15 | 7641a38320 |
hex | 42664245de |
285183460830 has 32 divisors (see below), whose sum is σ = 684605253024. Its totient is φ = 76030595456.
The previous prime is 285183460799. The next prime is 285183460831. The reversal of 285183460830 is 38064381582.
It is a super-2 number, since 2×2851834608302 (a number of 24 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 285183460830.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (285183460831) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 1018677 + ... + 1268096.
It is an arithmetic number, because the mean of its divisors is an integer number (21393914157).
Almost surely, 2285183460830 is an apocalyptic number.
285183460830 is an abundant number, since it is smaller than the sum of its proper divisors (399421792194).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285183460830 is a wasteful number, since it uses less digits than its factorization.
285183460830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2290940.
The product of its (nonzero) digits is 1105920, while the sum is 48.
The spelling of 285183460830 in words is "two hundred eighty-five billion, one hundred eighty-three million, four hundred sixty thousand, eight hundred thirty".
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