Base | Representation |
---|---|
bin | 10110101111110011… |
… | …00010100110101011 |
3 | 1011112002020222020222 |
4 | 23113321202212223 |
5 | 200002300314404 |
6 | 5335444040255 |
7 | 611425210223 |
oct | 132771424653 |
9 | 34462228228 |
10 | 12212119979 |
11 | 51a7472544 |
12 | 244999308b |
13 | 11c80a35c7 |
14 | 83bc77083 |
15 | 4b71c0dbe |
hex | 2d7e629ab |
12212119979 has 8 divisors (see below), whose sum is σ = 12335598480. Its totient is φ = 12088692000.
The previous prime is 12212119973. The next prime is 12212119981. The reversal of 12212119979 is 97991121221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12212119979 - 220 = 12211071403 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12212119973) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644024 + ... + 662714.
It is an arithmetic number, because the mean of its divisors is an integer number (1541949810).
Almost surely, 212212119979 is an apocalyptic number.
12212119979 is a deficient number, since it is larger than the sum of its proper divisors (123478501).
12212119979 is a wasteful number, since it uses less digits than its factorization.
12212119979 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25261.
The product of its digits is 40824, while the sum is 44.
The spelling of 12212119979 in words is "twelve billion, two hundred twelve million, one hundred nineteen thousand, nine hundred seventy-nine".
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