Base | Representation |
---|---|
bin | 10001101000110111111… |
… | …111100111001101101111 |
3 | 11021212200202000001210111 |
4 | 101220313333213031233 |
5 | 124324410232400142 |
6 | 2324501302320451 |
7 | 153400316463151 |
oct | 21506777471557 |
9 | 4255622001714 |
10 | 1212120200047 |
11 | 42806a286849 |
12 | 176b00729127 |
13 | 8a3c1616503 |
14 | 4294a0b4ad1 |
15 | 217e3ca0e17 |
hex | 11a37fe736f |
1212120200047 has 2 divisors, whose sum is σ = 1212120200048. Its totient is φ = 1212120200046.
The previous prime is 1212120200021. The next prime is 1212120200107. The reversal of 1212120200047 is 7400020212121.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1212120200047 - 231 = 1209972716399 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1212120207047) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606060100023 + 606060100024.
It is an arithmetic number, because the mean of its divisors is an integer number (606060100024).
Almost surely, 21212120200047 is an apocalyptic number.
1212120200047 is a deficient number, since it is larger than the sum of its proper divisors (1).
1212120200047 is an equidigital number, since it uses as much as digits as its factorization.
1212120200047 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 448, while the sum is 22.
Adding to 1212120200047 its reverse (7400020212121), we get a palindrome (8612140412168).
The spelling of 1212120200047 in words is "one trillion, two hundred twelve billion, one hundred twenty million, two hundred thousand, forty-seven".
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