Base | Representation |
---|---|
bin | 10010111101110000… |
… | …010100100010001001 |
3 | 1221120011101102112001 |
4 | 102331300110202021 |
5 | 313201014230100 |
6 | 13204350551001 |
7 | 1320424204441 |
oct | 227560244211 |
9 | 57504342461 |
10 | 20363430025 |
11 | 86aa697414 |
12 | 3b43808461 |
13 | 1bc6a839a3 |
14 | db268b121 |
15 | 7e2b08d6a |
hex | 4bdc14889 |
20363430025 has 48 divisors (see below), whose sum is σ = 28830029760. Its totient is φ = 14170982400.
The previous prime is 20363429993. The next prime is 20363430049. The reversal of 20363430025 is 52003436302.
It is not a de Polignac number, because 20363430025 - 25 = 20363429993 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20363429975 and 20363430002.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 300322 + ... + 361828.
It is an arithmetic number, because the mean of its divisors is an integer number (600625620).
Almost surely, 220363430025 is an apocalyptic number.
20363430025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20363430025 is a deficient number, since it is larger than the sum of its proper divisors (8466599735).
20363430025 is a wasteful number, since it uses less digits than its factorization.
20363430025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61594 (or 61589 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 28.
Adding to 20363430025 its reverse (52003436302), we get a palindrome (72366866327).
The spelling of 20363430025 in words is "twenty billion, three hundred sixty-three million, four hundred thirty thousand, twenty-five".
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