Base | Representation |
---|---|
bin | 1011000111011010110111… |
… | …1011011111011111101011 |
3 | 1121021102101011102200001022 |
4 | 2301312231323133133223 |
5 | 3100221330100322422 |
6 | 41554431044043055 |
7 | 2401006013654306 |
oct | 261665573373753 |
9 | 47242334380038 |
10 | 12222100010987 |
11 | 39923aa910399 |
12 | 145488469348b |
13 | 6a87014a9529 |
14 | 3037a4c35b3d |
15 | 162dd167b342 |
hex | b1dadedf7eb |
12222100010987 has 16 divisors (see below), whose sum is σ = 12659202035712. Its totient is φ = 11787713160960.
The previous prime is 12222100010969. The next prime is 12222100011071. The reversal of 12222100010987 is 78901000122221.
It is a cyclic number.
It is not a de Polignac number, because 12222100010987 - 212 = 12222100006891 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12222100012987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19242638 + ... + 19867644.
It is an arithmetic number, because the mean of its divisors is an integer number (791200127232).
Almost surely, 212222100010987 is an apocalyptic number.
12222100010987 is a deficient number, since it is larger than the sum of its proper divisors (437102024725).
12222100010987 is a wasteful number, since it uses less digits than its factorization.
12222100010987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 627178.
The product of its (nonzero) digits is 8064, while the sum is 35.
The spelling of 12222100010987 in words is "twelve trillion, two hundred twenty-two billion, one hundred million, ten thousand, nine hundred eighty-seven".
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