Base | Representation |
---|---|
bin | 11000001111000011… |
… | …11001101001010111 |
3 | 1020120202220221010102 |
4 | 30013201321221113 |
5 | 203121333314041 |
6 | 5551031444315 |
7 | 640300424015 |
oct | 140741715127 |
9 | 36522827112 |
10 | 13011229271 |
11 | 5577555147 |
12 | 263152669b |
13 | 12c4803c41 |
14 | 8b604d8b5 |
15 | 51241e09b |
hex | 307879a57 |
13011229271 has 2 divisors, whose sum is σ = 13011229272. Its totient is φ = 13011229270.
The previous prime is 13011229249. The next prime is 13011229333. The reversal of 13011229271 is 17292211031.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13011229271 - 214 = 13011212887 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13011229171) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6505614635 + 6505614636.
It is an arithmetic number, because the mean of its divisors is an integer number (6505614636).
Almost surely, 213011229271 is an apocalyptic number.
13011229271 is a deficient number, since it is larger than the sum of its proper divisors (1).
13011229271 is an equidigital number, since it uses as much as digits as its factorization.
13011229271 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1512, while the sum is 29.
The spelling of 13011229271 in words is "thirteen billion, eleven million, two hundred twenty-nine thousand, two hundred seventy-one".
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