Base | Representation |
---|---|
bin | 11001101110100100… |
… | …10110011000011101 |
3 | 1022122121120121201221 |
4 | 30313102112120131 |
5 | 211241442142122 |
6 | 10202332533341 |
7 | 666166651606 |
oct | 146722263035 |
9 | 38577517657 |
10 | 13812459037 |
11 | 5948855a03 |
12 | 2815921251 |
13 | 13c17c77b0 |
14 | 950618dad |
15 | 55c93a6c7 |
hex | 33749661d |
13812459037 has 4 divisors (see below), whose sum is σ = 14874955900. Its totient is φ = 12749962176.
The previous prime is 13812459019. The next prime is 13812459043. The reversal of 13812459037 is 73095421831.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73095421831 = 30011 ⋅2435621.
It can be written as a sum of positive squares in 2 ways, for example, as 6445841796 + 7366617241 = 80286^2 + 85829^2 .
It is a cyclic number.
It is not a de Polignac number, because 13812459037 - 219 = 13811934749 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13812458984 and 13812459002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13812459337) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531248412 + ... + 531248437.
It is an arithmetic number, because the mean of its divisors is an integer number (3718738975).
Almost surely, 213812459037 is an apocalyptic number.
It is an amenable number.
13812459037 is a deficient number, since it is larger than the sum of its proper divisors (1062496863).
13812459037 is a wasteful number, since it uses less digits than its factorization.
13812459037 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1062496862.
The product of its (nonzero) digits is 181440, while the sum is 43.
The spelling of 13812459037 in words is "thirteen billion, eight hundred twelve million, four hundred fifty-nine thousand, thirty-seven".
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