Base | Representation |
---|---|
bin | 100000010011101001011… |
… | …101101111010011111111 |
3 | 21212020111222111001021021 |
4 | 200103221131233103333 |
5 | 242333301210341111 |
6 | 4415524204445011 |
7 | 316253433510205 |
oct | 40235135572377 |
9 | 7766458431237 |
10 | 2220120012031 |
11 | 7866029608a9 |
12 | 2ba335849767 |
13 | 13148308a6bc |
14 | 79650b77075 |
15 | 3cb3c9c6d71 |
hex | 204e976f4ff |
2220120012031 has 2 divisors, whose sum is σ = 2220120012032. Its totient is φ = 2220120012030.
The previous prime is 2220120012017. The next prime is 2220120012079. The reversal of 2220120012031 is 1302100210222.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2220120012031 - 215 = 2220119979263 is a prime.
It is a super-2 number, since 2×22201200120312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2220120011996 and 2220120012014.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2220120016031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110060006015 + 1110060006016.
It is an arithmetic number, because the mean of its divisors is an integer number (1110060006016).
Almost surely, 22220120012031 is an apocalyptic number.
2220120012031 is a deficient number, since it is larger than the sum of its proper divisors (1).
2220120012031 is an equidigital number, since it uses as much as digits as its factorization.
2220120012031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 2220120012031 its reverse (1302100210222), we get a palindrome (3522220222253).
The spelling of 2220120012031 in words is "two trillion, two hundred twenty billion, one hundred twenty million, twelve thousand, thirty-one".
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