Base | Representation |
---|---|
bin | 10010111011011001… |
… | …111101010010111101 |
3 | 1221110102012211212022 |
4 | 102323121331102331 |
5 | 313110421410440 |
6 | 13200422045525 |
7 | 1316435155634 |
oct | 227331752275 |
9 | 57412184768 |
10 | 20324013245 |
11 | 868a414a68 |
12 | 3b325798a5 |
13 | 1bbb862753 |
14 | dab34a51b |
15 | 7de41ecb5 |
hex | 4bb67d4bd |
20324013245 has 16 divisors (see below), whose sum is σ = 24798851760. Its totient is φ = 15986073600.
The previous prime is 20324013097. The next prime is 20324013263. The reversal of 20324013245 is 54231042302.
It can be written as a sum of positive squares in 8 ways, for example, as 9204099844 + 11119913401 = 95938^2 + 105451^2 .
It is not a de Polignac number, because 20324013245 - 218 = 20323751101 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807755 + ... + 832535.
It is an arithmetic number, because the mean of its divisors is an integer number (1549928235).
Almost surely, 220324013245 is an apocalyptic number.
It is an amenable number.
20324013245 is a deficient number, since it is larger than the sum of its proper divisors (4474838515).
20324013245 is a wasteful number, since it uses less digits than its factorization.
20324013245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27536.
The product of its (nonzero) digits is 5760, while the sum is 26.
Adding to 20324013245 its reverse (54231042302), we get a palindrome (74555055547).
The spelling of 20324013245 in words is "twenty billion, three hundred twenty-four million, thirteen thousand, two hundred forty-five".
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