Base | Representation |
---|---|
bin | 11000001101110110… |
… | …10101110111110111 |
3 | 1020120001220101120001 |
4 | 30012323111313313 |
5 | 203111241340041 |
6 | 5550031052131 |
7 | 640115464435 |
oct | 140673256767 |
9 | 36501811501 |
10 | 13001121271 |
11 | 5571880926 |
12 | 262a071047 |
13 | 12c26a5188 |
14 | 8b497bd55 |
15 | 5115c4131 |
hex | 306ed5df7 |
13001121271 has 2 divisors, whose sum is σ = 13001121272. Its totient is φ = 13001121270.
The previous prime is 13001121239. The next prime is 13001121293. The reversal of 13001121271 is 17212110031.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 13001121271 - 25 = 13001121239 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13001121871) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6500560635 + 6500560636.
It is an arithmetic number, because the mean of its divisors is an integer number (6500560636).
Almost surely, 213001121271 is an apocalyptic number.
13001121271 is a deficient number, since it is larger than the sum of its proper divisors (1).
13001121271 is an equidigital number, since it uses as much as digits as its factorization.
13001121271 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 84, while the sum is 19.
The spelling of 13001121271 in words is "thirteen billion, one million, one hundred twenty-one thousand, two hundred seventy-one".
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