Base | Representation |
---|---|
bin | 101101100100001010110… |
… | …010100111100010111010 |
3 | 102002100012120011200000202 |
4 | 231210022302213202322 |
5 | 402300210310400442 |
6 | 10354243052202202 |
7 | 442136233361426 |
oct | 55441262474272 |
9 | 12070176150022 |
10 | 3131212200122 |
11 | aa7a37724796 |
12 | 426a24769362 |
13 | 19936c8aacc6 |
14 | ab7a1389b86 |
15 | 566b3c02c32 |
hex | 2d90aca78ba |
3131212200122 has 8 divisors (see below), whose sum is σ = 4785437513556. Its totient is φ = 1536066362272.
The previous prime is 3131212200121. The next prime is 3131212200143. The reversal of 3131212200122 is 2210022121313.
3131212200122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 3019570011481 + 111642188641 = 1737691^2 + 334129^2 .
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 = 3131212200094 and 3131212200103.
It is not an unprimeable number, because it can be changed into a prime (3131212200121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14769868763 + ... + 14769868974.
Almost surely, 23131212200122 is an apocalyptic number.
3131212200122 is a deficient number, since it is larger than the sum of its proper divisors (1654225313434).
3131212200122 is a wasteful number, since it uses less digits than its factorization.
3131212200122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29539737792.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 3131212200122 its reverse (2210022121313), we get a palindrome (5341234321435).
The spelling of 3131212200122 in words is "three trillion, one hundred thirty-one billion, two hundred twelve million, two hundred thousand, one hundred twenty-two".
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