Base | Representation |
---|---|
bin | 10110100101011100… |
… | …00000100110010010 |
3 | 1011022000201112120212 |
4 | 23102232000212102 |
5 | 144313023223101 |
6 | 5323101204122 |
7 | 606321410315 |
oct | 132256004622 |
9 | 34260645525 |
10 | 12125211026 |
11 | 5162402565 |
12 | 2424860642 |
13 | 11b30945a6 |
14 | 8304d297c |
15 | 4ae7551bb |
hex | 2d2b80992 |
12125211026 has 8 divisors (see below), whose sum is σ = 18318664560. Its totient is φ = 6018989508.
The previous prime is 12125211023. The next prime is 12125211031. The reversal of 12125211026 is 62011252121.
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 = 12125210992 and 12125211010.
It is not an unprimeable number, because it can be changed into a prime (12125211023) 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, 21807656 + ... + 21808211.
It is an arithmetic number, because the mean of its divisors is an integer number (2289833070).
Almost surely, 212125211026 is an apocalyptic number.
12125211026 is a deficient number, since it is larger than the sum of its proper divisors (6193453534).
12125211026 is a wasteful number, since it uses less digits than its factorization.
12125211026 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43616008.
The product of its (nonzero) digits is 480, while the sum is 23.
Adding to 12125211026 its reverse (62011252121), we get a palindrome (74136463147).
The spelling of 12125211026 in words is "twelve billion, one hundred twenty-five million, two hundred eleven thousand, twenty-six".
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