Base | Representation |
---|---|
bin | 10111011101011010100… |
… | …000001101101111010101 |
3 | 12201010012012010202022102 |
4 | 113131122200031233111 |
5 | 202403121032132300 |
6 | 3232334113011445 |
7 | 224321053336652 |
oct | 27353240155725 |
9 | 5633165122272 |
10 | 1612131130325 |
11 | 571778aa4231 |
12 | 220537553b85 |
13 | b903c2b0971 |
14 | 580558c0c29 |
15 | 2be066080d5 |
hex | 1775a80dbd5 |
1612131130325 has 24 divisors (see below), whose sum is σ = 2032672791240. Its totient is φ = 1268168140800.
The previous prime is 1612131130307. The next prime is 1612131130327. The reversal of 1612131130325 is 5230311312161.
It can be written as a sum of positive squares in 12 ways, for example, as 653059550641 + 959071579684 = 808121^2 + 979322^2 .
It is not a de Polignac number, because 1612131130325 - 28 = 1612131130069 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1612131130327) 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 in 23 ways as a sum of consecutive naturals, for example, 1598804 + ... + 2404253.
It is an arithmetic number, because the mean of its divisors is an integer number (84694699635).
Almost surely, 21612131130325 is an apocalyptic number.
It is an amenable number.
1612131130325 is a deficient number, since it is larger than the sum of its proper divisors (420541660915).
1612131130325 is a wasteful number, since it uses less digits than its factorization.
1612131130325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4003337 (or 4003332 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 29.
Adding to 1612131130325 its reverse (5230311312161), we get a palindrome (6842442442486).
The spelling of 1612131130325 in words is "one trillion, six hundred twelve billion, one hundred thirty-one million, one hundred thirty thousand, three hundred twenty-five".
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