Base | Representation |
---|---|
bin | 10010111010000110… |
… | …110010001111100111 |
3 | 1221101220012010110120 |
4 | 102322012302033213 |
5 | 313034331210043 |
6 | 13154322453023 |
7 | 1316051636454 |
oct | 227206621747 |
9 | 57356163416 |
10 | 20302210023 |
11 | 8679082977 |
12 | 3b27204173 |
13 | 1bb719a634 |
14 | da84b282b |
15 | 7dc564983 |
hex | 4ba1b23e7 |
20302210023 has 16 divisors (see below), whose sum is σ = 27811994496. Its totient is φ = 13163899680.
The previous prime is 20302210021. The next prime is 20302210043. The reversal of 20302210023 is 32001220302.
It is not a de Polignac number, because 20302210023 - 21 = 20302210021 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20302209984 and 20302210011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20302210021) 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 15 ways as a sum of consecutive naturals, for example, 263728 + ... + 331898.
It is an arithmetic number, because the mean of its divisors is an integer number (1738249656).
Almost surely, 220302210023 is an apocalyptic number.
20302210023 is a deficient number, since it is larger than the sum of its proper divisors (7509784473).
20302210023 is a wasteful number, since it uses less digits than its factorization.
20302210023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70894.
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 20302210023 its reverse (32001220302), we get a palindrome (52303430325).
The spelling of 20302210023 in words is "twenty billion, three hundred two million, two hundred ten thousand, twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •