Base | Representation |
---|---|
bin | 11100010101110101… |
… | …001000111111000010 |
3 | 2220112210100010211111 |
4 | 130111311020333002 |
5 | 444310320214132 |
6 | 21551350233534 |
7 | 2125052266540 |
oct | 342565107702 |
9 | 86483303744 |
10 | 30431023042 |
11 | 119a6579022 |
12 | 5a933558aa |
13 | 2b3c779214 |
14 | 16897a6d90 |
15 | bd18b9647 |
hex | 715d48fc2 |
30431023042 has 8 divisors (see below), whose sum is σ = 52167468096. Its totient is φ = 13041867012.
The previous prime is 30431023037. The next prime is 30431023061. The reversal of 30431023042 is 24032013403.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1086822238 + ... + 1086822265.
It is an arithmetic number, because the mean of its divisors is an integer number (6520933512).
Almost surely, 230431023042 is an apocalyptic number.
30431023042 is a deficient number, since it is larger than the sum of its proper divisors (21736445054).
30431023042 is a wasteful number, since it uses less digits than its factorization.
30431023042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2173644512.
The product of its (nonzero) digits is 1728, while the sum is 22.
Adding to 30431023042 its reverse (24032013403), we get a palindrome (54463036445).
The spelling of 30431023042 in words is "thirty billion, four hundred thirty-one million, twenty-three thousand, forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •