Base | Representation |
---|---|
bin | 10001110010000110101… |
… | …100001110010111100101 |
3 | 11022211021101220001000102 |
4 | 101302012230032113211 |
5 | 130010204243432242 |
6 | 2333220521353445 |
7 | 154201024312442 |
oct | 21620654162745 |
9 | 4284241801012 |
10 | 1222030452197 |
11 | 431295371985 |
12 | 178a07638885 |
13 | 8b31083c739 |
14 | 4320a3549c9 |
15 | 21bc3d31e32 |
hex | 11c86b0e5e5 |
1222030452197 has 4 divisors (see below), whose sum is σ = 1222039830060. Its totient is φ = 1222021074336.
The previous prime is 1222030452173. The next prime is 1222030452211. The reversal of 1222030452197 is 7912540302221.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 183589968676 + 1038440483521 = 428474^2 + 1019039^2 .
It is a cyclic number.
It is not a de Polignac number, because 1222030452197 - 26 = 1222030452133 is a prime.
It is a super-3 number, since 3×12220304521973 (a number of 37 digits) contains 333 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1222030452197.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222030452397) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4490672 + ... + 4755017.
It is an arithmetic number, because the mean of its divisors is an integer number (305509957515).
Almost surely, 21222030452197 is an apocalyptic number.
It is an amenable number.
1222030452197 is a deficient number, since it is larger than the sum of its proper divisors (9377863).
1222030452197 is an equidigital number, since it uses as much as digits as its factorization.
1222030452197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9377862.
The product of its (nonzero) digits is 60480, while the sum is 38.
The spelling of 1222030452197 in words is "one trillion, two hundred twenty-two billion, thirty million, four hundred fifty-two thousand, one hundred ninety-seven".
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