Base | Representation |
---|---|
bin | 10110101110011110… |
… | …01001000010111101 |
3 | 1011111022100021201011 |
4 | 23113033021002331 |
5 | 144441424131440 |
6 | 5334405515221 |
7 | 611231555602 |
oct | 132717110275 |
9 | 34438307634 |
10 | 12201005245 |
11 | 51a1170910 |
12 | 2446112b11 |
13 | 11c59b1540 |
14 | 83a5c26a9 |
15 | 4b62279ea |
hex | 2d73c90bd |
12201005245 has 16 divisors (see below), whose sum is σ = 17200858752. Its totient is φ = 8190884160.
The previous prime is 12201005237. The next prime is 12201005269. The reversal of 12201005245 is 54250010221.
It is not a de Polignac number, because 12201005245 - 23 = 12201005237 is a prime.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 8531457 + ... + 8532886.
It is an arithmetic number, because the mean of its divisors is an integer number (1075053672).
Almost surely, 212201005245 is an apocalyptic number.
It is an amenable number.
12201005245 is a deficient number, since it is larger than the sum of its proper divisors (4999853507).
12201005245 is a wasteful number, since it uses less digits than its factorization.
12201005245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17064372.
The product of its (nonzero) digits is 800, while the sum is 22.
Adding to 12201005245 its reverse (54250010221), we get a palindrome (66451015466).
The spelling of 12201005245 in words is "twelve billion, two hundred one million, five thousand, two hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •