Base | Representation |
---|---|
bin | 11001111101101000… |
… | …11011101001110101 |
3 | 1022222102101010122111 |
4 | 30332310123221311 |
5 | 212021320142122 |
6 | 10223045331021 |
7 | 1002263064052 |
oct | 147664335165 |
9 | 38872333574 |
10 | 13938834037 |
11 | 5a03121357 |
12 | 2850106a71 |
13 | 1411a442bb |
14 | 963314029 |
15 | 568a9ed77 |
hex | 33ed1ba75 |
13938834037 has 2 divisors, whose sum is σ = 13938834038. Its totient is φ = 13938834036.
The previous prime is 13938833981. The next prime is 13938834043. The reversal of 13938834037 is 73043883931.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 13895458641 + 43375396 = 117879^2 + 6586^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13938834037 is a prime.
It is a super-2 number, since 2×139388340372 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13938834737) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6969417018 + 6969417019.
It is an arithmetic number, because the mean of its divisors is an integer number (6969417019).
Almost surely, 213938834037 is an apocalyptic number.
It is an amenable number.
13938834037 is a deficient number, since it is larger than the sum of its proper divisors (1).
13938834037 is an equidigital number, since it uses as much as digits as its factorization.
13938834037 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1306368, while the sum is 49.
The spelling of 13938834037 in words is "thirteen billion, nine hundred thirty-eight million, eight hundred thirty-four thousand, thirty-seven".
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