Base | Representation |
---|---|
bin | 111010010111001010… |
… | …1000101100010001101 |
3 | 102222111120000022001001 |
4 | 1310232111011202031 |
5 | 4023134310044323 |
6 | 133324301220301 |
7 | 12024553511044 |
oct | 1645625054215 |
9 | 388446008031 |
10 | 125331331213 |
11 | 491752a6180 |
12 | 20359261691 |
13 | ba8489391a |
14 | 60cd41555b |
15 | 33d80593ad |
hex | 1d2e54588d |
125331331213 has 16 divisors (see below), whose sum is σ = 138597580800. Its totient is φ = 112380119280.
The previous prime is 125331331201. The next prime is 125331331219. The reversal of 125331331213 is 312133133521.
It is a happy number.
It is not a de Polignac number, because 125331331213 - 29 = 125331330701 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125331331219) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 780868 + ... + 927586.
It is an arithmetic number, because the mean of its divisors is an integer number (8662348800).
Almost surely, 2125331331213 is an apocalyptic number.
It is an amenable number.
125331331213 is a deficient number, since it is larger than the sum of its proper divisors (13266249587).
125331331213 is a wasteful number, since it uses less digits than its factorization.
125331331213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147792.
The product of its digits is 4860, while the sum is 28.
Adding to 125331331213 its reverse (312133133521), we get a palindrome (437464464734).
The spelling of 125331331213 in words is "one hundred twenty-five billion, three hundred thirty-one million, three hundred thirty-one thousand, two hundred thirteen".
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