Base | Representation |
---|---|
bin | 11101001011111110… |
… | …001100111101011110 |
3 | 2222220002112212020221 |
4 | 131023332030331132 |
5 | 1003140334241121 |
6 | 22221435231554 |
7 | 2156422143442 |
oct | 351376147536 |
9 | 88802485227 |
10 | 31339368286 |
11 | 12322290276 |
12 | 60a75a85ba |
13 | 2c55a05205 |
14 | 1734296822 |
15 | c364e3b41 |
hex | 74bf8cf5e |
31339368286 has 4 divisors (see below), whose sum is σ = 47009052432. Its totient is φ = 15669684142.
The previous prime is 31339368283. The next prime is 31339368311. The reversal of 31339368286 is 68286393313.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31339368283) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7834842070 + ... + 7834842073.
It is an arithmetic number, because the mean of its divisors is an integer number (11752263108).
Almost surely, 231339368286 is an apocalyptic number.
31339368286 is a deficient number, since it is larger than the sum of its proper divisors (15669684146).
31339368286 is a wasteful number, since it uses less digits than its factorization.
31339368286 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15669684145.
The product of its digits is 3359232, while the sum is 52.
The spelling of 31339368286 in words is "thirty-one billion, three hundred thirty-nine million, three hundred sixty-eight thousand, two hundred eighty-six".
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