Base | Representation |
---|---|
bin | 11000100111000100… |
… | …11011111000101001 |
3 | 1021002211000111200000 |
4 | 30103202123320221 |
5 | 204024422233410 |
6 | 10023025533213 |
7 | 645265030620 |
oct | 142342337051 |
9 | 37084014600 |
10 | 13212696105 |
11 | 567024a164 |
12 | 2688aa4209 |
13 | 1327482a9b |
14 | 8d4ad46b7 |
15 | 524e67dc0 |
hex | 31389be29 |
13212696105 has 96 divisors (see below), whose sum is σ = 27221376000. Its totient is φ = 6022683072.
The previous prime is 13212696103. The next prime is 13212696113. The reversal of 13212696105 is 50169621231.
13212696105 is a `hidden beast` number, since 1 + 32 + 1 + 2 + 6 + 9 + 610 + 5 = 666.
13212696105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13212696105 - 21 = 13212696103 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13212696105.
It is not an unprimeable number, because it can be changed into a prime (13212696103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3221346 + ... + 3225444.
It is an arithmetic number, because the mean of its divisors is an integer number (283556000).
Almost surely, 213212696105 is an apocalyptic number.
13212696105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13212696105 is an abundant number, since it is smaller than the sum of its proper divisors (14008679895).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13212696105 is an equidigital number, since it uses as much as digits as its factorization.
13212696105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4505 (or 4493 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 36.
The spelling of 13212696105 in words is "thirteen billion, two hundred twelve million, six hundred ninety-six thousand, one hundred five".
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