Base | Representation |
---|---|
bin | 11100010101011011… |
… | …001100011010001000 |
3 | 2220112022112120121212 |
4 | 130111123030122020 |
5 | 444302100040240 |
6 | 21550544352252 |
7 | 2124640420463 |
oct | 342533143210 |
9 | 86468476555 |
10 | 30424221320 |
11 | 119a2752869 |
12 | 5a91015688 |
13 | 2b3b23732c |
14 | 16889162da |
15 | bd0ec4165 |
hex | 7156cc688 |
30424221320 has 32 divisors (see below), whose sum is σ = 70815000600. Its totient is φ = 11750043648.
The previous prime is 30424221307. The next prime is 30424221329. The reversal of 30424221320 is 2312242403.
It can be written as a sum of positive squares in 4 ways, for example, as 30276696004 + 147525316 = 174002^2 + 12146^2 .
It is not an unprimeable number, because it can be changed into a prime (30424221329) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13112729 + ... + 13115048.
Almost surely, 230424221320 is an apocalyptic number.
It is an amenable number.
30424221320 is an abundant number, since it is smaller than the sum of its proper divisors (40390779280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30424221320 is a wasteful number, since it uses less digits than its factorization.
30424221320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26227817 (or 26227813 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 23.
Adding to 30424221320 its reverse (2312242403), we get a palindrome (32736463723).
The spelling of 30424221320 in words is "thirty billion, four hundred twenty-four million, two hundred twenty-one thousand, three hundred twenty".
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