Base | Representation |
---|---|
bin | 10111000111000001… |
… | …11111110010100101 |
3 | 1012000122222112120010 |
4 | 23203200333302211 |
5 | 200402143400032 |
6 | 5411045200433 |
7 | 616312603104 |
oct | 134340776245 |
9 | 35018875503 |
10 | 12407012517 |
11 | 5297487159 |
12 | 24a3100119 |
13 | 122958cc33 |
14 | 859aca03b |
15 | 4c936bccc |
hex | 2e383fca5 |
12407012517 has 8 divisors (see below), whose sum is σ = 16558279200. Its totient is φ = 8263543760.
The previous prime is 12407012503. The next prime is 12407012533. The reversal of 12407012517 is 71521070421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12407012517 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12407014517) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1945767 + ... + 1952132.
It is an arithmetic number, because the mean of its divisors is an integer number (2069784900).
Almost surely, 212407012517 is an apocalyptic number.
It is an amenable number.
12407012517 is a deficient number, since it is larger than the sum of its proper divisors (4151266683).
12407012517 is a wasteful number, since it uses less digits than its factorization.
12407012517 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3898963.
The product of its (nonzero) digits is 3920, while the sum is 30.
Adding to 12407012517 its reverse (71521070421), we get a palindrome (83928082938).
The spelling of 12407012517 in words is "twelve billion, four hundred seven million, twelve thousand, five hundred seventeen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •