Base | Representation |
---|---|
bin | 10010111011011110… |
… | …100010001101001101 |
3 | 1221110111110210121212 |
4 | 102323132202031031 |
5 | 313111223304010 |
6 | 13200503504205 |
7 | 1316451313526 |
oct | 227336421515 |
9 | 57414423555 |
10 | 20325213005 |
11 | 86900643a9 |
12 | 3b32a58065 |
13 | 1bbbb92876 |
14 | dab57d84d |
15 | 7de5aa505 |
hex | 4bb7a234d |
20325213005 has 32 divisors (see below), whose sum is σ = 26369971200. Its totient is φ = 14982003712.
The previous prime is 20325213001. The next prime is 20325213031. The reversal of 20325213005 is 50031252302.
It is not a de Polignac number, because 20325213005 - 22 = 20325213001 is a prime.
It is a super-2 number, since 2×203252130052 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20325213001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2153186 + ... + 2162604.
It is an arithmetic number, because the mean of its divisors is an integer number (824061600).
Almost surely, 220325213005 is an apocalyptic number.
It is an amenable number.
20325213005 is a deficient number, since it is larger than the sum of its proper divisors (6044758195).
20325213005 is a wasteful number, since it uses less digits than its factorization.
20325213005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9973.
The product of its (nonzero) digits is 1800, while the sum is 23.
Adding to 20325213005 its reverse (50031252302), we get a palindrome (70356465307).
The spelling of 20325213005 in words is "twenty billion, three hundred twenty-five million, two hundred thirteen thousand, five".
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