Base | Representation |
---|---|
bin | 11000111111110011… |
… | …10100010111110111 |
3 | 1021122021101101002012 |
4 | 30133321310113313 |
5 | 204441024333221 |
6 | 10055400234435 |
7 | 653364261326 |
oct | 143771642767 |
9 | 37567341065 |
10 | 13420152311 |
11 | 5767365075 |
12 | 272646ba1b |
13 | 135b44ab37 |
14 | 9144980bd |
15 | 53829665b |
hex | 31fe745f7 |
13420152311 has 4 divisors (see below), whose sum is σ = 13421623224. Its totient is φ = 13418681400.
The previous prime is 13420152301. The next prime is 13420152329. The reversal of 13420152311 is 11325102431.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11325102431 = 96043 ⋅117917.
It is a cyclic number.
It is not a de Polignac number, because 13420152311 - 230 = 12346410487 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13420152301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721685 + ... + 740046.
It is an arithmetic number, because the mean of its divisors is an integer number (3355405806).
Almost surely, 213420152311 is an apocalyptic number.
13420152311 is a deficient number, since it is larger than the sum of its proper divisors (1470913).
13420152311 is an equidigital number, since it uses as much as digits as its factorization.
13420152311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1470912.
The product of its (nonzero) digits is 720, while the sum is 23.
Adding to 13420152311 its reverse (11325102431), we get a palindrome (24745254742).
The spelling of 13420152311 in words is "thirteen billion, four hundred twenty million, one hundred fifty-two thousand, three hundred eleven".
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