Base | Representation |
---|---|
bin | 10110110100100101… |
… | …01110001010111111 |
3 | 1011121212211002010110 |
4 | 23122102232022333 |
5 | 200043040303031 |
6 | 5343440441103 |
7 | 612423423336 |
oct | 133222561277 |
9 | 34555732113 |
10 | 12252275391 |
11 | 52180a9934 |
12 | 245b319193 |
13 | 12034c2ac5 |
14 | 84332ad1d |
15 | 4ba9a3c46 |
hex | 2da4ae2bf |
12252275391 has 8 divisors (see below), whose sum is σ = 16716282880. Its totient is φ = 7978225752.
The previous prime is 12252275383. The next prime is 12252275407. The reversal of 12252275391 is 19357225221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12252275391 - 23 = 12252275383 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12252275351) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47489311 + ... + 47489568.
It is an arithmetic number, because the mean of its divisors is an integer number (2089535360).
Almost surely, 212252275391 is an apocalyptic number.
12252275391 is a deficient number, since it is larger than the sum of its proper divisors (4464007489).
12252275391 is an equidigital number, since it uses as much as digits as its factorization.
12252275391 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94978925.
The product of its digits is 75600, while the sum is 39.
The spelling of 12252275391 in words is "twelve billion, two hundred fifty-two million, two hundred seventy-five thousand, three hundred ninety-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •