Base | Representation |
---|---|
bin | 10001110010001100001… |
… | …010001101111110111011 |
3 | 11022211111210112100201221 |
4 | 101302030022031332323 |
5 | 130010401240413034 |
6 | 2333234000052511 |
7 | 154203220210636 |
oct | 21621412157673 |
9 | 4284453470657 |
10 | 1222122201019 |
11 | 431332138155 |
12 | 178a32304137 |
13 | 8b326854695 |
14 | 432185d8c1d |
15 | 21bcbe06bb4 |
hex | 11c8c28dfbb |
1222122201019 has 8 divisors (see below), whose sum is σ = 1223853419232. Its totient is φ = 1220391372480.
The previous prime is 1222122200993. The next prime is 1222122201023. The reversal of 1222122201019 is 9101022212221.
It is a happy number.
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 1222122201019 - 223 = 1222113812411 is a prime.
It is a super-2 number, since 2×12221222010192 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1222122200984 and 1222122201002.
It is not an unprimeable number, because it can be changed into a prime (1222122201119) 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, 6493962 + ... + 6679504.
It is an arithmetic number, because the mean of its divisors is an integer number (152981677404).
Almost surely, 21222122201019 is an apocalyptic number.
1222122201019 is a deficient number, since it is larger than the sum of its proper divisors (1731218213).
1222122201019 is an equidigital number, since it uses as much as digits as its factorization.
1222122201019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194837.
The product of its (nonzero) digits is 576, while the sum is 25.
The spelling of 1222122201019 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred one thousand, nineteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •