Base | Representation |
---|---|
bin | 1011110101111000000100… |
… | …1000010011110000101011 |
3 | 1201002201102222112102101112 |
4 | 2331132001020103300223 |
5 | 3201310343323010011 |
6 | 43405223012340535 |
7 | 2512451666415122 |
oct | 275360110236053 |
9 | 51081388472345 |
10 | 13020212313131 |
11 | 416a928461811 |
12 | 15634a291474b |
13 | 735a5433ba0a |
14 | 3302785b6ab9 |
15 | 178a43d9058b |
hex | bd781213c2b |
13020212313131 has 2 divisors, whose sum is σ = 13020212313132. Its totient is φ = 13020212313130.
The previous prime is 13020212313083. The next prime is 13020212313161. The reversal of 13020212313131 is 13131321202031.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 13020212313131 - 226 = 13020145204267 is a prime.
It is a super-2 number, since 2×130202123131312 (a number of 27 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a junction number, because it is equal to n+sod(n) for n = 13020212313097 and 13020212313106.
It is not a weakly prime, because it can be changed into another prime (13020212313161) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510106156565 + 6510106156566.
It is an arithmetic number, because the mean of its divisors is an integer number (6510106156566).
Almost surely, 213020212313131 is an apocalyptic number.
13020212313131 is a deficient number, since it is larger than the sum of its proper divisors (1).
13020212313131 is an equidigital number, since it uses as much as digits as its factorization.
13020212313131 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 648, while the sum is 23.
Adding to 13020212313131 its reverse (13131321202031), we get a palindrome (26151533515162).
Subtracting 13020212313131 from its reverse (13131321202031), we obtain a square (111108888900 = 3333302).
The spelling of 13020212313131 in words is "thirteen trillion, twenty billion, two hundred twelve million, three hundred thirteen thousand, one hundred thirty-one".
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