Base | Representation |
---|---|
bin | 11100010101110101… |
… | …001001001110101010 |
3 | 2220112210100012012112 |
4 | 130111311021032222 |
5 | 444310320232132 |
6 | 21551350242322 |
7 | 2125052302466 |
oct | 342565111652 |
9 | 86483305175 |
10 | 30431024042 |
11 | 119a6579851 |
12 | 5a933563a2 |
13 | 2b3c779803 |
14 | 16897a74a6 |
15 | bd18b9ab2 |
hex | 715d493aa |
30431024042 has 8 divisors (see below), whose sum is σ = 45675670656. Its totient is φ = 15205800492.
The previous prime is 30431024027. The next prime is 30431024137. The reversal of 30431024042 is 24042013403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 30431023999 and 30431024017.
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, 4851848 + ... + 4858115.
It is an arithmetic number, because the mean of its divisors is an integer number (5709458832).
Almost surely, 230431024042 is an apocalyptic number.
30431024042 is a deficient number, since it is larger than the sum of its proper divisors (15244646614).
30431024042 is a wasteful number, since it uses less digits than its factorization.
30431024042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9711532.
The product of its (nonzero) digits is 2304, while the sum is 23.
Adding to 30431024042 its reverse (24042013403), we get a palindrome (54473037445).
The spelling of 30431024042 in words is "thirty billion, four hundred thirty-one million, twenty-four thousand, forty-two".
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