Base | Representation |
---|---|
bin | 1100010101110101100… |
… | …1001110110011010011 |
3 | 202021021001120211100202 |
4 | 3011131121032303103 |
5 | 11433204143332234 |
6 | 241222322405415 |
7 | 21214026516326 |
oct | 3053531166323 |
9 | 667231524322 |
10 | 212020292819 |
11 | 81a0aa230a5 |
12 | 3511120086b |
13 | 16cbb73a48a |
14 | a3946a27bd |
15 | 57ad8a277e |
hex | 315d64ecd3 |
212020292819 has 2 divisors, whose sum is σ = 212020292820. Its totient is φ = 212020292818.
The previous prime is 212020292753. The next prime is 212020292833. The reversal of 212020292819 is 918292020212.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 212020292819 - 232 = 207725325523 is a prime.
It is a super-2 number, since 2×2120202928192 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (212020292119) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010146409 + 106010146410.
It is an arithmetic number, because the mean of its divisors is an integer number (106010146410).
Almost surely, 2212020292819 is an apocalyptic number.
212020292819 is a deficient number, since it is larger than the sum of its proper divisors (1).
212020292819 is an equidigital number, since it uses as much as digits as its factorization.
212020292819 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 20736, while the sum is 38.
The spelling of 212020292819 in words is "two hundred twelve billion, twenty million, two hundred ninety-two thousand, eight hundred nineteen".
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