Base | Representation |
---|---|
bin | 10110110110010101… |
… | …01001111000110001 |
3 | 1011122220102000022112 |
4 | 23123022221320301 |
5 | 200110314003110 |
6 | 5345123015105 |
7 | 612662152235 |
oct | 133312517061 |
9 | 34586360275 |
10 | 12266937905 |
11 | 5225404012 |
12 | 246420a495 |
13 | 1206557951 |
14 | 8452665c5 |
15 | 4bbded405 |
hex | 2db2a9e31 |
12266937905 has 16 divisors (see below), whose sum is σ = 14953835520. Its totient is φ = 9658663872.
The previous prime is 12266937899. The next prime is 12266937953. The reversal of 12266937905 is 50973966221.
It is a happy number.
It is not a de Polignac number, because 12266937905 - 28 = 12266937649 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76232 + ... + 174198.
It is an arithmetic number, because the mean of its divisors is an integer number (934614720).
Almost surely, 212266937905 is an apocalyptic number.
It is an amenable number.
12266937905 is a deficient number, since it is larger than the sum of its proper divisors (2686897615).
12266937905 is an equidigital number, since it uses as much as digits as its factorization.
12266937905 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98368.
The product of its (nonzero) digits is 1224720, while the sum is 50.
The spelling of 12266937905 in words is "twelve billion, two hundred sixty-six million, nine hundred thirty-seven thousand, nine hundred five".
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