Base | Representation |
---|---|
bin | 10010111000010101… |
… | …100100001001101001 |
3 | 1221022211100020011101 |
4 | 102320111210021221 |
5 | 313004231430100 |
6 | 13151342401401 |
7 | 1315241443036 |
oct | 227025441151 |
9 | 57284306141 |
10 | 20272530025 |
11 | 8663350950 |
12 | 3b19290261 |
13 | 1bb0ca81c7 |
14 | da458838d |
15 | 7d9b5086a |
hex | 4b8564269 |
20272530025 has 24 divisors (see below), whose sum is σ = 27832531104. Its totient is φ = 14523590400.
The previous prime is 20272530017. The next prime is 20272530071. The reversal of 20272530025 is 52003527202.
It is not a de Polignac number, because 20272530025 - 23 = 20272530017 is a prime.
It is a super-2 number, since 2×202725300252 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20272529975 and 20272530002.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 531712 + ... + 568561.
It is an arithmetic number, because the mean of its divisors is an integer number (1159688796).
Almost surely, 220272530025 is an apocalyptic number.
20272530025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20272530025 is a deficient number, since it is larger than the sum of its proper divisors (7560001079).
20272530025 is a wasteful number, since it uses less digits than its factorization.
20272530025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1100361 (or 1100356 counting only the distinct ones).
The product of its (nonzero) digits is 8400, while the sum is 28.
The spelling of 20272530025 in words is "twenty billion, two hundred seventy-two million, five hundred thirty thousand, twenty-five".
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