Base | Representation |
---|---|
bin | 111000110111011111… |
… | …0101001110011101011 |
3 | 102200012211012200120012 |
4 | 1301232332221303223 |
5 | 4000100434032334 |
6 | 132033540522135 |
7 | 11552162251226 |
oct | 1615676516353 |
9 | 380184180505 |
10 | 122121002219 |
11 | 47878138517 |
12 | 1b8020b034b |
13 | b692749878 |
14 | 5ca6cdc5bd |
15 | 329b2ba9ce |
hex | 1c6efa9ceb |
122121002219 has 2 divisors, whose sum is σ = 122121002220. Its totient is φ = 122121002218.
The previous prime is 122121002191. The next prime is 122121002261. The reversal of 122121002219 is 912200121221.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 122121002219 - 220 = 122119953643 is a prime.
It is a super-2 number, since 2×1221210022192 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122121002194 and 122121002203.
It is not a weakly prime, because it can be changed into another prime (122121005219) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060501109 + 61060501110.
It is an arithmetic number, because the mean of its divisors is an integer number (61060501110).
Almost surely, 2122121002219 is an apocalyptic number.
122121002219 is a deficient number, since it is larger than the sum of its proper divisors (1).
122121002219 is an equidigital number, since it uses as much as digits as its factorization.
122121002219 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 288, while the sum is 23.
It can be divided in two parts, 122121002 and 219, that added together give a palindrome (122121221).
The spelling of 122121002219 in words is "one hundred twenty-two billion, one hundred twenty-one million, two thousand, two hundred nineteen".
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