Base | Representation |
---|---|
bin | 10010110101111110… |
… | …111110001101100001 |
3 | 1221020002001120220021 |
4 | 102311332332031201 |
5 | 312414130144100 |
6 | 13143412313441 |
7 | 1314252053533 |
oct | 226576761541 |
9 | 57202046807 |
10 | 20233053025 |
11 | 8643038229 |
12 | 3b08012881 |
13 | 1ba5a65733 |
14 | d9d22d853 |
15 | 7d6453a1a |
hex | 4b5fbe361 |
20233053025 has 6 divisors (see below), whose sum is σ = 25088985782. Its totient is φ = 16186442400.
The previous prime is 20233052989. The next prime is 20233053053. The reversal of 20233053025 is 52035033202.
It can be written as a sum of positive squares in 3 ways, for example, as 4285404369 + 15947648656 = 65463^2 + 126284^2 .
It is not a de Polignac number, because 20233053025 - 213 = 20233044833 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 809322121 = 20233053025 / (2 + 0 + 2 + 3 + 3 + 0 + 5 + 3 + 0 + 2 + 5).
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 404661036 + ... + 404661085.
Almost surely, 220233053025 is an apocalyptic number.
20233053025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20233053025 is a deficient number, since it is larger than the sum of its proper divisors (4855932757).
20233053025 is an equidigital number, since it uses as much as digits as its factorization.
20233053025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 809322131 (or 809322126 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 25.
Adding to 20233053025 its reverse (52035033202), we get a palindrome (72268086227).
The spelling of 20233053025 in words is "twenty billion, two hundred thirty-three million, fifty-three thousand, twenty-five".
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