Base | Representation |
---|---|
bin | 10010110111000111… |
… | …101101101110101001 |
3 | 1221021101221101122112 |
4 | 102313013231232221 |
5 | 312434020401100 |
6 | 13145333132105 |
7 | 1314603124352 |
oct | 226707555651 |
9 | 57241841575 |
10 | 20252122025 |
11 | 8652882033 |
12 | 3b1248a035 |
13 | 1ba99b1175 |
14 | da1994d29 |
15 | 7d7e6db35 |
hex | 4b71edba9 |
20252122025 has 12 divisors (see below), whose sum is σ = 25430515200. Its totient is φ = 15996611280.
The previous prime is 20252122019. The next prime is 20252122027. The reversal of 20252122025 is 52022125202.
It is not a de Polignac number, because 20252122025 - 226 = 20185013161 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (20252122027) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5125145 + ... + 5129094.
It is an arithmetic number, because the mean of its divisors is an integer number (2119209600).
Almost surely, 220252122025 is an apocalyptic number.
20252122025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20252122025 is a deficient number, since it is larger than the sum of its proper divisors (5178393175).
20252122025 is a wasteful number, since it uses less digits than its factorization.
20252122025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10254328 (or 10254323 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 23.
Adding to 20252122025 its reverse (52022125202), we get a palindrome (72274247227).
The spelling of 20252122025 in words is "twenty billion, two hundred fifty-two million, one hundred twenty-two thousand, twenty-five".
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