Base | Representation |
---|---|
bin | 100000010101011111011… |
… | …110110101110010111110 |
3 | 21212102121222012110220200 |
4 | 200111133132311302332 |
5 | 242401330100342342 |
6 | 4420452455024330 |
7 | 316353465313416 |
oct | 40253736656276 |
9 | 7772558173820 |
10 | 2222100012222 |
11 | 7874295882a2 |
12 | 2ba7a896b0a6 |
13 | 13170a35174c |
14 | 7979bb07646 |
15 | 3cc0673894c |
hex | 2055f7b5cbe |
2222100012222 has 24 divisors (see below), whose sum is σ = 4815076506240. Its totient is φ = 740619007200.
The previous prime is 2222100012221. The next prime is 2222100012227.
2222100012222 is a `hidden beast` number, since 222 + 210 + 0 + 0 + 12 + 222 = 666.
2222100012222 is nontrivially palindromic in base 10.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 2222100012195 and 2222100012204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2222100012221) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6580447 + ... + 6909882.
It is an arithmetic number, because the mean of its divisors is an integer number (200628187760).
Almost surely, 22222100012222 is an apocalyptic number.
2222100012222 is an abundant number, since it is smaller than the sum of its proper divisors (2592976494018).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2222100012222 is a wasteful number, since it uses less digits than its factorization.
2222100012222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13499488 (or 13499485 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
It can be divided in two parts, 22221000 and 12222, that added together give a palindrome (22233222).
The spelling of 2222100012222 in words is "two trillion, two hundred twenty-two billion, one hundred million, twelve thousand, two hundred twenty-two".
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