Base | Representation |
---|---|
bin | 10110101110011101… |
… | …01000010001110101 |
3 | 1011111022002110121012 |
4 | 23113032220101311 |
5 | 144441410333104 |
6 | 5334403002005 |
7 | 611230456364 |
oct | 132716502165 |
9 | 34438073535 |
10 | 12200871029 |
11 | 51a1089a96 |
12 | 2446069305 |
13 | 11c5965419 |
14 | 83a5897db |
15 | 4b61ecd6e |
hex | 2d73a8475 |
12200871029 has 2 divisors, whose sum is σ = 12200871030. Its totient is φ = 12200871028.
The previous prime is 12200870977. The next prime is 12200871031. The reversal of 12200871029 is 92017800221.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10065506929 + 2135364100 = 100327^2 + 46210^2 .
It is a cyclic number.
It is not a de Polignac number, because 12200871029 - 216 = 12200805493 is a prime.
It is a super-2 number, since 2×122008710292 (a number of 21 digits) contains 22 as substring.
Together with 12200871031, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 12200870986 and 12200871004.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12200879029) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100435514 + 6100435515.
It is an arithmetic number, because the mean of its divisors is an integer number (6100435515).
Almost surely, 212200871029 is an apocalyptic number.
It is an amenable number.
12200871029 is a deficient number, since it is larger than the sum of its proper divisors (1).
12200871029 is an equidigital number, since it uses as much as digits as its factorization.
12200871029 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4032, while the sum is 32.
The spelling of 12200871029 in words is "twelve billion, two hundred million, eight hundred seventy-one thousand, twenty-nine".
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