Base | Representation |
---|---|
bin | 1100111001100100… |
… | …11110100000000001 |
3 | 122212122110001201110 |
4 | 12130302132200001 |
5 | 103140403220441 |
6 | 3103112153533 |
7 | 333422212050 |
oct | 63462364001 |
9 | 18778401643 |
10 | 6925445121 |
11 | 2a34262471 |
12 | 14133988a9 |
13 | 864a3112a |
14 | 499ab0397 |
15 | 2a7eddb16 |
hex | 19cc9e801 |
6925445121 has 32 divisors (see below), whose sum is σ = 10607908608. Its totient is φ = 3936890880.
The previous prime is 6925445117. The next prime is 6925445129. The reversal of 6925445121 is 1215445296.
It is not a de Polignac number, because 6925445121 - 22 = 6925445117 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 6925445121.
It is not an unprimeable number, because it can be changed into a prime (6925445129) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4080145 + ... + 4081841.
It is an arithmetic number, because the mean of its divisors is an integer number (331497144).
Almost surely, 26925445121 is an apocalyptic number.
It is an amenable number.
6925445121 is a deficient number, since it is larger than the sum of its proper divisors (3682463487).
6925445121 is a wasteful number, since it uses less digits than its factorization.
6925445121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2601.
The product of its digits is 86400, while the sum is 39.
The square root of 6925445121 is about 83219.2593153772. The cubic root of 6925445121 is about 1906.1155780787.
The spelling of 6925445121 in words is "six billion, nine hundred twenty-five million, four hundred forty-five thousand, one hundred twenty-one".
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