Base | Representation |
---|---|
bin | 11000011100101101… |
… | …10010101001000011 |
3 | 1020212202102120022221 |
4 | 30032112302221003 |
5 | 203340143220012 |
6 | 10010242311511 |
7 | 643161045412 |
oct | 141626625103 |
9 | 36782376287 |
10 | 13125757507 |
11 | 5626169985 |
12 | 2663958597 |
13 | 1312463425 |
14 | 8c7343479 |
15 | 51c4e3507 |
hex | 30e5b2a43 |
13125757507 has 16 divisors (see below), whose sum is σ = 14120027712. Its totient is φ = 12170695680.
The previous prime is 13125757501. The next prime is 13125757573. The reversal of 13125757507 is 70575752131.
It is a cyclic number.
It is not a de Polignac number, because 13125757507 - 215 = 13125724739 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13125757501) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103723 + ... + 192379.
It is an arithmetic number, because the mean of its divisors is an integer number (882501732).
Almost surely, 213125757507 is an apocalyptic number.
13125757507 is a deficient number, since it is larger than the sum of its proper divisors (994270205).
13125757507 is a wasteful number, since it uses less digits than its factorization.
13125757507 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88878.
The product of its (nonzero) digits is 257250, while the sum is 43.
The spelling of 13125757507 in words is "thirteen billion, one hundred twenty-five million, seven hundred fifty-seven thousand, five hundred seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •