Base | Representation |
---|---|
bin | 111100010110111… |
… | …0010101011111001 |
3 | 12020010220101011100 |
4 | 1320231302223321 |
5 | 13121432120014 |
6 | 532544322013 |
7 | 101121340200 |
oct | 17055625371 |
9 | 5203811140 |
10 | 2025270009 |
11 | 94a237374 |
12 | 486313309 |
13 | 263784429 |
14 | 152d96237 |
15 | bcc05009 |
hex | 78b72af9 |
2025270009 has 27 divisors (see below), whose sum is σ = 3404593413. Its totient is φ = 1156757112.
The previous prime is 2025270007. The next prime is 2025270017. The reversal of 2025270009 is 9000725202.
It is a happy number.
The square root of 2025270009 is 45003.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 2025270009 - 21 = 2025270007 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2025270007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 943992 + ... + 946134.
Almost surely, 22025270009 is an apocalyptic number.
2025270009 is the 45003-rd square number.
2025270009 is the 22502-nd centered octagonal number.
It is an amenable number.
2025270009 is a deficient number, since it is larger than the sum of its proper divisors (1379323404).
2025270009 is an frugal number, since it uses more digits than its factorization.
2025270009 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4306 (or 2153 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 27.
The cubic root of 2025270009 is about 1265.2052261722.
The spelling of 2025270009 in words is "two billion, twenty-five million, two hundred seventy thousand, nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.127 sec. • engine limits •