Base | Representation |
---|---|
bin | 11100101101000001… |
… | …000011100010011110 |
3 | 2221112220022100200020 |
4 | 130231001003202132 |
5 | 1001104411204210 |
6 | 22054124013010 |
7 | 2140514603541 |
oct | 345501034236 |
9 | 87486270606 |
10 | 30820022430 |
11 | 1208611001a |
12 | 5b81691166 |
13 | 2ba2238682 |
14 | 16c5306858 |
15 | c05b08770 |
hex | 72d04389e |
30820022430 has 32 divisors (see below), whose sum is σ = 74730618144. Its totient is φ = 8133943296.
The previous prime is 30820022419. The next prime is 30820022503. The reversal of 30820022430 is 3422002803.
It is a self number, because there is not a number n which added to its sum of digits gives 30820022430.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5292627 + ... + 5298446.
It is an arithmetic number, because the mean of its divisors is an integer number (2335331817).
Almost surely, 230820022430 is an apocalyptic number.
30820022430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30820022430 is an abundant number, since it is smaller than the sum of its proper divisors (43910595714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30820022430 is a wasteful number, since it uses less digits than its factorization.
30820022430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10591180.
The product of its (nonzero) digits is 2304, while the sum is 24.
The spelling of 30820022430 in words is "thirty billion, eight hundred twenty million, twenty-two thousand, four hundred thirty".
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