Base | Representation |
---|---|
bin | 10001110000001111000… |
… | …000010010000100101011 |
3 | 11022122002110110200001201 |
4 | 101300033000102010223 |
5 | 124442101221204311 |
6 | 2332245351025031 |
7 | 154100202446215 |
oct | 21601700220453 |
9 | 4278073420051 |
10 | 1220022444331 |
11 | 430454955949 |
12 | 17854706b177 |
13 | 8b0808204c2 |
14 | 430997b35b5 |
15 | 21b078db9c1 |
hex | 11c0f01212b |
1220022444331 has 2 divisors, whose sum is σ = 1220022444332. Its totient is φ = 1220022444330.
The previous prime is 1220022444217. The next prime is 1220022444353. The reversal of 1220022444331 is 1334442200221.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1220022444331 - 219 = 1220021920043 is a prime.
It is a super-2 number, since 2×12200224443312 (a number of 25 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1220022444331.
It is not a weakly prime, because it can be changed into another prime (1220022444371) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610011222165 + 610011222166.
It is an arithmetic number, because the mean of its divisors is an integer number (610011222166).
Almost surely, 21220022444331 is an apocalyptic number.
1220022444331 is a deficient number, since it is larger than the sum of its proper divisors (1).
1220022444331 is an equidigital number, since it uses as much as digits as its factorization.
1220022444331 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 9216, while the sum is 28.
Adding to 1220022444331 its reverse (1334442200221), we get a palindrome (2554464644552).
The spelling of 1220022444331 in words is "one trillion, two hundred twenty billion, twenty-two million, four hundred forty-four thousand, three hundred thirty-one".
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