Base | Representation |
---|---|
bin | 1011101010011111… |
… | …1111110111111110 |
3 | 22002012121200121100 |
4 | 2322213333313332 |
5 | 22403022004142 |
6 | 1234405113530 |
7 | 140406315066 |
oct | 27247776776 |
9 | 8065550540 |
10 | 3131047422 |
11 | 13674382a8 |
12 | 7346b88a6 |
13 | 3ab8a89a9 |
14 | 219b9a3a6 |
15 | 134d2cb4c |
hex | ba9ffdfe |
3131047422 has 12 divisors (see below), whose sum is σ = 6783936120. Its totient is φ = 1043682468.
The previous prime is 3131047397. The next prime is 3131047427. The reversal of 3131047422 is 2247401313.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3131047427) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86973522 + ... + 86973557.
It is an arithmetic number, because the mean of its divisors is an integer number (565328010).
Almost surely, 23131047422 is an apocalyptic number.
3131047422 is an abundant number, since it is smaller than the sum of its proper divisors (3652888698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3131047422 is a wasteful number, since it uses less digits than its factorization.
3131047422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 173947087 (or 173947084 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 27.
The square root of 3131047422 is about 55955.7630812055. The cubic root of 3131047422 is about 1462.9513424412.
Adding to 3131047422 its reverse (2247401313), we get a palindrome (5378448735).
The spelling of 3131047422 in words is "three billion, one hundred thirty-one million, forty-seven thousand, four hundred twenty-two".
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