Base | Representation |
---|---|
bin | 11000001101111000… |
… | …11111110111000101 |
3 | 1020120002110210021021 |
4 | 30012330133313011 |
5 | 203111331034300 |
6 | 5550041351141 |
7 | 640121166121 |
oct | 140674376705 |
9 | 36502423237 |
10 | 13001424325 |
11 | 5571a6858a |
12 | 262a1984b1 |
13 | 12c27800b6 |
14 | 8b4a1a581 |
15 | 511633d1a |
hex | 306f1fdc5 |
13001424325 has 12 divisors (see below), whose sum is σ = 16134430500. Its totient is φ = 10392968960.
The previous prime is 13001424323. The next prime is 13001424343. The reversal of 13001424325 is 52342410031.
It can be written as a sum of positive squares in 6 ways, for example, as 600152004 + 12401272321 = 24498^2 + 111361^2 .
It is not a de Polignac number, because 13001424325 - 21 = 13001424323 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a self number, because there is not a number n which added to its sum of digits gives 13001424325.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13001424323) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171700 + ... + 235549.
It is an arithmetic number, because the mean of its divisors is an integer number (1344535875).
Almost surely, 213001424325 is an apocalyptic number.
It is an amenable number.
13001424325 is a deficient number, since it is larger than the sum of its proper divisors (3133006175).
13001424325 is a wasteful number, since it uses less digits than its factorization.
13001424325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 408536 (or 408531 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 25.
Adding to 13001424325 its reverse (52342410031), we get a palindrome (65343834356).
The spelling of 13001424325 in words is "thirteen billion, one million, four hundred twenty-four thousand, three hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •