Base | Representation |
---|---|
bin | 10010110100001000… |
… | …100001001011000101 |
3 | 1221010220121222122201 |
4 | 102310020201023011 |
5 | 312333203013333 |
6 | 13140342554501 |
7 | 1313424114241 |
oct | 226410411305 |
9 | 57126558581 |
10 | 20202001093 |
11 | 862755947a |
12 | 3ab9738a31 |
13 | 1b9c4b2a01 |
14 | d99069421 |
15 | 7d386d17d |
hex | 4b42212c5 |
20202001093 has 8 divisors (see below), whose sum is σ = 20481253208. Its totient is φ = 19922817024.
The previous prime is 20202001081. The next prime is 20202001103. The reversal of 20202001093 is 39010020202.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 296459524 + 19905541569 = 17218^2 + 141087^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20202001093 is a prime.
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 20202001093.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20202001013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982405 + ... + 1002757.
It is an arithmetic number, because the mean of its divisors is an integer number (2560156651).
Almost surely, 220202001093 is an apocalyptic number.
It is an amenable number.
20202001093 is a deficient number, since it is larger than the sum of its proper divisors (279252115).
20202001093 is a wasteful number, since it uses less digits than its factorization.
20202001093 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34023.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 20202001093 its reverse (39010020202), we get a palindrome (59212021295).
The spelling of 20202001093 in words is "twenty billion, two hundred two million, one thousand, ninety-three".
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