Base | Representation |
---|---|
bin | 11100010101110101… |
… | …000110010111101010 |
3 | 2220112210022121010202 |
4 | 130111311012113222 |
5 | 444310314343310 |
6 | 21551350112202 |
7 | 2125052223365 |
oct | 342565062752 |
9 | 86483277122 |
10 | 30431012330 |
11 | 119a6570a74 |
12 | 5a9334b662 |
13 | 2b3c774394 |
14 | 16897a30dc |
15 | bd18b63a5 |
hex | 715d465ea |
30431012330 has 16 divisors (see below), whose sum is σ = 55704227040. Its totient is φ = 11966092752.
The previous prime is 30431012257. The next prime is 30431012363. The reversal of 30431012330 is 3321013403.
It is a super-2 number, since 2×304310123302 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25788404 + ... + 25789583.
It is an arithmetic number, because the mean of its divisors is an integer number (3481514190).
Almost surely, 230431012330 is an apocalyptic number.
30431012330 is a deficient number, since it is larger than the sum of its proper divisors (25273214710).
30431012330 is a wasteful number, since it uses less digits than its factorization.
30431012330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51578053.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 30431012330 its reverse (3321013403), we get a palindrome (33752025733).
The spelling of 30431012330 in words is "thirty billion, four hundred thirty-one million, twelve thousand, three hundred thirty".
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