Base | Representation |
---|---|
bin | 10111110101001111… |
… | …10001110011011101 |
3 | 1020000200102101110010 |
4 | 23322213301303131 |
5 | 202200413304310 |
6 | 5513334033433 |
7 | 632030603556 |
oct | 137247616335 |
9 | 36020371403 |
10 | 12794666205 |
11 | 547628a102 |
12 | 2590aa8879 |
13 | 128b99aa09 |
14 | 89539932d |
15 | 4ed3e2320 |
hex | 2fa9f1cdd |
12794666205 has 16 divisors (see below), whose sum is σ = 21361530240. Its totient is φ = 6527133888.
The previous prime is 12794666201. The next prime is 12794666219. The reversal of 12794666205 is 50266649721.
It is not a de Polignac number, because 12794666205 - 22 = 12794666201 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12794666201) 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, 18542650 + ... + 18543339.
It is an arithmetic number, because the mean of its divisors is an integer number (1335095640).
Almost surely, 212794666205 is an apocalyptic number.
12794666205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12794666205 is a deficient number, since it is larger than the sum of its proper divisors (8566864035).
12794666205 is a wasteful number, since it uses less digits than its factorization.
12794666205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37086020.
The product of its (nonzero) digits is 1088640, while the sum is 48.
The spelling of 12794666205 in words is "twelve billion, seven hundred ninety-four million, six hundred sixty-six thousand, two hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •