Base | Representation |
---|---|
bin | 100000010101010011… |
… | …1101110111111101001 |
3 | 20122020000022212222021 |
4 | 1000222213232333221 |
5 | 2114200220122123 |
6 | 51521531024441 |
7 | 5005436550211 |
oct | 1005247567751 |
9 | 218200285867 |
10 | 69434535913 |
11 | 274a0a92586 |
12 | 1155959b121 |
13 | 6717251512 |
14 | 350989d241 |
15 | 1c15b65c5d |
hex | 102a9eefe9 |
69434535913 has 4 divisors (see below), whose sum is σ = 69435085140. Its totient is φ = 69433986688.
The previous prime is 69434535887. The next prime is 69434535943. The reversal of 69434535913 is 31953543496.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 10247917824 + 59186618089 = 101232^2 + 243283^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-69434535913 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (69434535943) 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, 21333 + ... + 373261.
It is an arithmetic number, because the mean of its divisors is an integer number (17358771285).
Almost surely, 269434535913 is an apocalyptic number.
It is an amenable number.
69434535913 is a deficient number, since it is larger than the sum of its proper divisors (549227).
69434535913 is a wasteful number, since it uses less digits than its factorization.
69434535913 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 549226.
The product of its digits is 5248800, while the sum is 52.
The spelling of 69434535913 in words is "sixty-nine billion, four hundred thirty-four million, five hundred thirty-five thousand, nine hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •