Base | Representation |
---|---|
bin | 10010111011010111… |
… | …010010010101111111 |
3 | 1221110100220021100011 |
4 | 102323113102111333 |
5 | 313110232004043 |
6 | 13200355044051 |
7 | 1316426211316 |
oct | 227327222577 |
9 | 57410807304 |
10 | 20323313023 |
11 | 8689a86972 |
12 | 3b322a0627 |
13 | 1bbb678b10 |
14 | dab20727d |
15 | 7de33259d |
hex | 4bb5d257f |
20323313023 has 16 divisors (see below), whose sum is σ = 22009649760. Its totient is φ = 18654806016.
The previous prime is 20323313011. The next prime is 20323313069. The reversal of 20323313023 is 32031332302.
It is a cyclic number.
It is not a de Polignac number, because 20323313023 - 25 = 20323312991 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20323312985 and 20323313003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20323313623) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2056468 + ... + 2066326.
It is an arithmetic number, because the mean of its divisors is an integer number (1375603110).
Almost surely, 220323313023 is an apocalyptic number.
20323313023 is a deficient number, since it is larger than the sum of its proper divisors (1686336737).
20323313023 is a wasteful number, since it uses less digits than its factorization.
20323313023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10746.
The product of its (nonzero) digits is 1944, while the sum is 22.
Adding to 20323313023 its reverse (32031332302), we get a palindrome (52354645325).
The spelling of 20323313023 in words is "twenty billion, three hundred twenty-three million, three hundred thirteen thousand, twenty-three".
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