Base | Representation |
---|---|
bin | 10111001001111010… |
… | …01011100000010011 |
3 | 1012002100110021000122 |
4 | 23210331023200103 |
5 | 200424340141442 |
6 | 5413311140455 |
7 | 620025160502 |
oct | 134475134023 |
9 | 35070407018 |
10 | 12431177747 |
11 | 52aa09191a |
12 | 24ab21472b |
13 | 12315a11a1 |
14 | 85cdba839 |
15 | 4cb541dd2 |
hex | 2e4f4b813 |
12431177747 has 16 divisors (see below), whose sum is σ = 13659840000. Its totient is φ = 11260364544.
The previous prime is 12431177743. The next prime is 12431177761. The reversal of 12431177747 is 74777113421.
12431177747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 12431177747 - 22 = 12431177743 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12431177698 and 12431177707.
It is not an unprimeable number, because it can be changed into a prime (12431177741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1621379 + ... + 1629027.
It is an arithmetic number, because the mean of its divisors is an integer number (853740000).
Almost surely, 212431177747 is an apocalyptic number.
12431177747 is a deficient number, since it is larger than the sum of its proper divisors (1228662253).
12431177747 is a wasteful number, since it uses less digits than its factorization.
12431177747 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11410.
The product of its digits is 230496, while the sum is 44.
The spelling of 12431177747 in words is "twelve billion, four hundred thirty-one million, one hundred seventy-seven thousand, seven hundred forty-seven".
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