Base | Representation |
---|---|
bin | 1111101011100101001… |
… | …00001001111111001001 |
3 | 1220111201102001221000102 |
4 | 13311302210021333021 |
5 | 32311422001231323 |
6 | 1051303523415145 |
7 | 53632535605433 |
oct | 7656244117711 |
9 | 1814642057012 |
10 | 538792992713 |
11 | 198556664058 |
12 | 885088244b5 |
13 | 3ba67124531 |
14 | 1c113399653 |
15 | e036698328 |
hex | 7d72909fc9 |
538792992713 has 4 divisors (see below), whose sum is σ = 538870003140. Its totient is φ = 538715982288.
The previous prime is 538792992709. The next prime is 538792992761. The reversal of 538792992713 is 317299297835.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 272689706809 + 266103285904 = 522197^2 + 515852^2 .
It is a cyclic number.
It is not a de Polignac number, because 538792992713 - 22 = 538792992709 is a prime.
It is a super-2 number, since 2×5387929927132 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 538792992713.
It is not an unprimeable number, because it can be changed into a prime (538792992313) 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, 38494718 + ... + 38508711.
It is an arithmetic number, because the mean of its divisors is an integer number (134717500785).
Almost surely, 2538792992713 is an apocalyptic number.
It is an amenable number.
538792992713 is a deficient number, since it is larger than the sum of its proper divisors (77010427).
538792992713 is an equidigital number, since it uses as much as digits as its factorization.
538792992713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77010426.
The product of its digits is 51438240, while the sum is 65.
The spelling of 538792992713 in words is "five hundred thirty-eight billion, seven hundred ninety-two million, nine hundred ninety-two thousand, seven hundred thirteen".
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