Base | Representation |
---|---|
bin | 10011000111000010000… |
… | …001101000010000010011 |
3 | 11122112122120112211111012 |
4 | 103013002001220100103 |
5 | 133003433334412321 |
6 | 2443141323041135 |
7 | 163606551540416 |
oct | 23070201502023 |
9 | 4575576484435 |
10 | 1313220232211 |
11 | 466a2a649338 |
12 | 1926169701ab |
13 | 96ab3cb8454 |
14 | 477bb281b7d |
15 | 2425e87b05b |
hex | 131c2068413 |
1313220232211 has 2 divisors, whose sum is σ = 1313220232212. Its totient is φ = 1313220232210.
The previous prime is 1313220232187. The next prime is 1313220232223. The reversal of 1313220232211 is 1122320223131.
It is a strong prime.
It is an emirp because it is prime and its reverse (1122320223131) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1313220232211 - 222 = 1313216037907 is a prime.
It is not a weakly prime, because it can be changed into another prime (1313220232271) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656610116105 + 656610116106.
It is an arithmetic number, because the mean of its divisors is an integer number (656610116106).
Almost surely, 21313220232211 is an apocalyptic number.
1313220232211 is a deficient number, since it is larger than the sum of its proper divisors (1).
1313220232211 is an equidigital number, since it uses as much as digits as its factorization.
1313220232211 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 1313220232211 its reverse (1122320223131), we get a palindrome (2435540455342).
The spelling of 1313220232211 in words is "one trillion, three hundred thirteen billion, two hundred twenty million, two hundred thirty-two thousand, two hundred eleven".
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