Base | Representation |
---|---|
bin | 11001110101000101… |
… | …11010001110111110 |
3 | 1022210102110021201111 |
4 | 30322202322032332 |
5 | 211344441204323 |
6 | 10212004432234 |
7 | 1000432450540 |
oct | 147242721676 |
9 | 38712407644 |
10 | 13867131838 |
11 | 59766a843a |
12 | 28300a867a |
13 | 13ccc2aa71 |
14 | 9579ab690 |
15 | 562639c0d |
hex | 33a8ba3be |
13867131838 has 16 divisors (see below), whose sum is σ = 23773908960. Its totient is φ = 5942635776.
The previous prime is 13867131833. The next prime is 13867131857. The reversal of 13867131838 is 83813176831.
It is a junction number, because it is equal to n+sod(n) for n = 13867131791 and 13867131800.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13867131833) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249270 + ... + 299782.
It is an arithmetic number, because the mean of its divisors is an integer number (1485869310).
Almost surely, 213867131838 is an apocalyptic number.
13867131838 is a deficient number, since it is larger than the sum of its proper divisors (9906777122).
13867131838 is a wasteful number, since it uses less digits than its factorization.
13867131838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70131.
The product of its digits is 580608, while the sum is 49.
The spelling of 13867131838 in words is "thirteen billion, eight hundred sixty-seven million, one hundred thirty-one thousand, eight hundred thirty-eight".
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