Base | Representation |
---|---|
bin | 1110001100000100111111… |
… | …11010110001101011011101 |
3 | 11002110211002000102100110100 |
4 | 13012002133322301223131 |
5 | 13042200303302021300 |
6 | 150205405132131313 |
7 | 6400135634120211 |
oct | 706023772615335 |
9 | 132424060370410 |
10 | 31201325423325 |
11 | 9a3a45386a322 |
12 | 35bb038906b39 |
13 | 14543704c39c5 |
14 | 79c21b932941 |
15 | 391941027700 |
hex | 1c609feb1add |
31201325423325 has 36 divisors (see below), whose sum is σ = 59172395986548. Its totient is φ = 15661841779200.
The previous prime is 31201325423311. The next prime is 31201325423353. The reversal of 31201325423325 is 52332452310213.
31201325423325 is a `hidden beast` number, since 3 + 1 + 2 + 0 + 1 + 325 + 4 + 2 + 3 + 325 = 666.
It can be written as a sum of positive squares in 6 ways, for example, as 224019516249 + 30977305907076 = 473307^2 + 5565726^2 .
It is not a de Polignac number, because 31201325423325 - 214 = 31201325406941 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 31201325423325.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4078600806 + ... + 4078608455.
It is an arithmetic number, because the mean of its divisors is an integer number (1643677666293).
Almost surely, 231201325423325 is an apocalyptic number.
It is an amenable number.
31201325423325 is a deficient number, since it is larger than the sum of its proper divisors (27971070563223).
31201325423325 is a wasteful number, since it uses less digits than its factorization.
31201325423325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8157209294 (or 8157209286 counting only the distinct ones).
The product of its (nonzero) digits is 129600, while the sum is 36.
Adding to 31201325423325 its reverse (52332452310213), we get a palindrome (83533777733538).
The spelling of 31201325423325 in words is "thirty-one trillion, two hundred one billion, three hundred twenty-five million, four hundred twenty-three thousand, three hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •