Base | Representation |
---|---|
bin | 11000100110110011… |
… | …01011100111011111 |
3 | 1021002122200220201021 |
4 | 30103121223213133 |
5 | 204023330314442 |
6 | 10022504425011 |
7 | 645236362231 |
oct | 142331534737 |
9 | 37078626637 |
10 | 13210401247 |
11 | 5669a21a8a |
12 | 2688178167 |
13 | 1326b5b394 |
14 | 8d4698251 |
15 | 524b62e67 |
hex | 31366b9df |
13210401247 has 2 divisors, whose sum is σ = 13210401248. Its totient is φ = 13210401246.
The previous prime is 13210401223. The next prime is 13210401289. The reversal of 13210401247 is 74210401231.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13210401247 - 219 = 13209876959 is a prime.
It is a super-2 number, since 2×132104012472 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13210404247) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6605200623 + 6605200624.
It is an arithmetic number, because the mean of its divisors is an integer number (6605200624).
Almost surely, 213210401247 is an apocalyptic number.
13210401247 is a deficient number, since it is larger than the sum of its proper divisors (1).
13210401247 is an equidigital number, since it uses as much as digits as its factorization.
13210401247 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1344, while the sum is 25.
Adding to 13210401247 its reverse (74210401231), we get a palindrome (87420802478).
The spelling of 13210401247 in words is "thirteen billion, two hundred ten million, four hundred one thousand, two hundred forty-seven".
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