Base | Representation |
---|---|
bin | 11000100011011010… |
… | …01100101001011011 |
3 | 1021000200012002120001 |
4 | 30101231030221123 |
5 | 203444040302333 |
6 | 10020011113431 |
7 | 644442556360 |
oct | 142155145133 |
9 | 37020162501 |
10 | 13181962843 |
11 | 5654968875 |
12 | 267a742877 |
13 | 1320cb211a |
14 | 8d09b4467 |
15 | 5223e6b7d |
hex | 311b4ca5b |
13181962843 has 32 divisors (see below), whose sum is σ = 16083615744. Its totient is φ = 10546371072.
The previous prime is 13181962813. The next prime is 13181962853. The reversal of 13181962843 is 34826918131.
13181962843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 13181962843 - 225 = 13148408411 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13181962793 and 13181962802.
It is not an unprimeable number, because it can be changed into a prime (13181962813) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8411446 + ... + 8413012.
It is an arithmetic number, because the mean of its divisors is an integer number (502612992).
Almost surely, 213181962843 is an apocalyptic number.
13181962843 is a deficient number, since it is larger than the sum of its proper divisors (2901652901).
13181962843 is a wasteful number, since it uses less digits than its factorization.
13181962843 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2131.
The product of its digits is 248832, while the sum is 46.
The spelling of 13181962843 in words is "thirteen billion, one hundred eighty-one million, nine hundred sixty-two thousand, eight hundred forty-three".
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