Base | Representation |
---|---|
bin | 11100011011110000… |
… | …001110111101111100 |
3 | 2220210201100000120011 |
4 | 130123300032331330 |
5 | 1000011240300444 |
6 | 22005300233004 |
7 | 2130400055620 |
oct | 343360167574 |
9 | 86721300504 |
10 | 30530400124 |
11 | 11a47684544 |
12 | 5b0069b764 |
13 | 2b57232323 |
14 | 1698a75180 |
15 | bda499734 |
hex | 71bc0ef7c |
30530400124 has 24 divisors (see below), whose sum is σ = 61077639168. Its totient is φ = 13080848880.
The previous prime is 30530400101. The next prime is 30530400133. The reversal of 30530400124 is 42100403503.
It is a junction number, because it is equal to n+sod(n) for n = 30530400095 and 30530400104.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45724 + ... + 251299.
It is an arithmetic number, because the mean of its divisors is an integer number (2544901632).
Almost surely, 230530400124 is an apocalyptic number.
It is an amenable number.
30530400124 is an abundant number, since it is smaller than the sum of its proper divisors (30547239044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30530400124 is a wasteful number, since it uses less digits than its factorization.
30530400124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 300705 (or 300703 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 22.
Adding to 30530400124 its reverse (42100403503), we get a palindrome (72630803627).
The spelling of 30530400124 in words is "thirty billion, five hundred thirty million, four hundred thousand, one hundred twenty-four".
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