Base | Representation |
---|---|
bin | 1100010101110101100… |
… | …0100000101011111001 |
3 | 202021021001020020020211 |
4 | 3011131120200223321 |
5 | 11433204121311204 |
6 | 241222314351121 |
7 | 21214025101534 |
oct | 3053530405371 |
9 | 667231206224 |
10 | 212020103929 |
11 | 81a0a904197 |
12 | 3511112b4a1 |
13 | 16cbb6a24ca |
14 | a394653a1b |
15 | 57ad866804 |
hex | 315d620af9 |
212020103929 has 2 divisors, whose sum is σ = 212020103930. Its totient is φ = 212020103928.
The previous prime is 212020103909. The next prime is 212020103989. The reversal of 212020103929 is 929301020212.
212020103929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 210269936704 + 1750167225 = 458552^2 + 41835^2 .
It is a cyclic number.
It is not a de Polignac number, because 212020103929 - 225 = 211986549497 is a prime.
It is a super-2 number, since 2×2120201039292 (a number of 23 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 212020103929.
It is not a weakly prime, because it can be changed into another prime (212020103909) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010051964 + 106010051965.
It is an arithmetic number, because the mean of its divisors is an integer number (106010051965).
Almost surely, 2212020103929 is an apocalyptic number.
It is an amenable number.
212020103929 is a deficient number, since it is larger than the sum of its proper divisors (1).
212020103929 is an equidigital number, since it uses as much as digits as its factorization.
212020103929 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3888, while the sum is 31.
The spelling of 212020103929 in words is "two hundred twelve billion, twenty million, one hundred three thousand, nine hundred twenty-nine".
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