Base | Representation |
---|---|
bin | 10010111010100100… |
… | …100101100100001101 |
3 | 1221102102220001001100 |
4 | 102322210211210031 |
5 | 313043331204123 |
6 | 13155202133313 |
7 | 1316205225222 |
oct | 227244454415 |
9 | 57372801040 |
10 | 20310022413 |
11 | 868252949a |
12 | 3b29951239 |
13 | 1bb89a4555 |
14 | da9547949 |
15 | 7dd0a9643 |
hex | 4ba92590d |
20310022413 has 6 divisors (see below), whose sum is σ = 29336699054. Its totient is φ = 13540014936.
The previous prime is 20310022399. The next prime is 20310022427. The reversal of 20310022413 is 31422001302.
It is an interprime number because it is at equal distance from previous prime (20310022399) and next prime (20310022427).
It can be written as a sum of positive squares in only one way, i.e., 19165079844 + 1144942569 = 138438^2 + 33837^2 .
It is not a de Polignac number, because 20310022413 - 226 = 20242913549 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20310022483) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1128334570 + ... + 1128334587.
Almost surely, 220310022413 is an apocalyptic number.
It is an amenable number.
20310022413 is a deficient number, since it is larger than the sum of its proper divisors (9026676641).
20310022413 is a wasteful number, since it uses less digits than its factorization.
20310022413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2256669163 (or 2256669160 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 20310022413 its reverse (31422001302), we get a palindrome (51732023715).
The spelling of 20310022413 in words is "twenty billion, three hundred ten million, twenty-two thousand, four hundred thirteen".
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