Base | Representation |
---|---|
bin | 1011110000001110… |
… | …01110100111111101 |
3 | 121021202121201111002 |
4 | 11320013032213331 |
5 | 100410343100000 |
6 | 2522051540045 |
7 | 312241130000 |
oct | 57007164775 |
9 | 17252551432 |
10 | 6310128125 |
11 | 27489a2724 |
12 | 12812ba625 |
13 | 797401832 |
14 | 43c09b537 |
15 | 26de978d5 |
hex | 1781ce9fd |
6310128125 has 90 divisors (see below), whose sum is σ = 9529354926. Its totient is φ = 4177740000.
The previous prime is 6310128107. The next prime is 6310128163. The reversal of 6310128125 is 5218210136.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 9 ways, for example, as 6285635524 + 24492601 = 79282^2 + 4949^2 .
It is not a de Polignac number, because 6310128125 - 214 = 6310111741 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 217590611 + ... + 217590639.
Almost surely, 26310128125 is an apocalyptic number.
It is an amenable number.
6310128125 is a deficient number, since it is larger than the sum of its proper divisors (3219226801).
6310128125 is an frugal number, since it uses more digits than its factorization.
6310128125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111 (or 41 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 29.
The square root of 6310128125 is about 79436.3149006800. The cubic root of 6310128125 is about 1847.9039445405.
Multiplying 6310128125 by its product of nonzero digits (2880), we get a square (18173169000000 = 42630002).
The spelling of 6310128125 in words is "six billion, three hundred ten million, one hundred twenty-eight thousand, one hundred twenty-five".
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