Base | Representation |
---|---|
bin | 11000011100000011… |
… | …00110100111001011 |
3 | 1020212100222101021021 |
4 | 30032001212213023 |
5 | 203332233000321 |
6 | 10005523253311 |
7 | 643062613213 |
oct | 141601464713 |
9 | 36770871237 |
10 | 13120203211 |
11 | 5623015955 |
12 | 2661b1a237 |
13 | 131126a26b |
14 | 8c66d9243 |
15 | 51bc97941 |
hex | 30e0669cb |
13120203211 has 2 divisors, whose sum is σ = 13120203212. Its totient is φ = 13120203210.
The previous prime is 13120203181. The next prime is 13120203223. The reversal of 13120203211 is 11230202131.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 13120203211 - 25 = 13120203179 is a prime.
It is not a weakly prime, because it can be changed into another prime (13120203241) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6560101605 + 6560101606.
It is an arithmetic number, because the mean of its divisors is an integer number (6560101606).
Almost surely, 213120203211 is an apocalyptic number.
13120203211 is a deficient number, since it is larger than the sum of its proper divisors (1).
13120203211 is an equidigital number, since it uses as much as digits as its factorization.
13120203211 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 13120203211 its reverse (11230202131), we get a palindrome (24350405342).
The spelling of 13120203211 in words is "thirteen billion, one hundred twenty million, two hundred three thousand, two hundred eleven".
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