Base | Representation |
---|---|
bin | 11111110111110011011… |
… | …010100010000000111001 |
3 | 21202101100100102102022202 |
4 | 133313303122202000321 |
5 | 241341033334002332 |
6 | 4354101342155545 |
7 | 314144514201362 |
oct | 37676332420071 |
9 | 7671310372282 |
10 | 2190222172217 |
11 | 774960354282 |
12 | 2b4590b82bb5 |
13 | 12b6c9c14421 |
14 | 78016122b69 |
15 | 3be8cd2ca62 |
hex | 1fdf36a2039 |
2190222172217 has 4 divisors (see below), whose sum is σ = 2198550013440. Its totient is φ = 2181894330996.
The previous prime is 2190222172207. The next prime is 2190222172219. The reversal of 2190222172217 is 7122712220912.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2190222172217 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2190222172219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4163920217 + ... + 4163920742.
It is an arithmetic number, because the mean of its divisors is an integer number (549637503360).
Almost surely, 22190222172217 is an apocalyptic number.
It is an amenable number.
2190222172217 is a deficient number, since it is larger than the sum of its proper divisors (8327841223).
2190222172217 is an equidigital number, since it uses as much as digits as its factorization.
2190222172217 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8327841222.
The product of its (nonzero) digits is 28224, while the sum is 38.
The spelling of 2190222172217 in words is "two trillion, one hundred ninety billion, two hundred twenty-two million, one hundred seventy-two thousand, two hundred seventeen".
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