Base | Representation |
---|---|
bin | 10111001001110100… |
… | …10101001110100110 |
3 | 1012002022001022212121 |
4 | 23210322111032212 |
5 | 200424142244032 |
6 | 5413243140154 |
7 | 620015631013 |
oct | 134472251646 |
9 | 35068038777 |
10 | 12430431142 |
11 | 52a9721998 |
12 | 24aab1465a |
13 | 123139c3cc |
14 | 85cc6470a |
15 | 4cb445a97 |
hex | 2e4e953a6 |
12430431142 has 16 divisors (see below), whose sum is σ = 20083440960. Its totient is φ = 5751165672.
The previous prime is 12430431109. The next prime is 12430431151. The reversal of 12430431142 is 24113403421.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3802048 + ... + 3805315.
It is an arithmetic number, because the mean of its divisors is an integer number (1255215060).
Almost surely, 212430431142 is an apocalyptic number.
12430431142 is a deficient number, since it is larger than the sum of its proper divisors (7653009818).
12430431142 is a wasteful number, since it uses less digits than its factorization.
12430431142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7607427.
The product of its (nonzero) digits is 2304, while the sum is 25.
Adding to 12430431142 its reverse (24113403421), we get a palindrome (36543834563).
The spelling of 12430431142 in words is "twelve billion, four hundred thirty million, four hundred thirty-one thousand, one hundred forty-two".
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