Base | Representation |
---|---|
bin | 100100100001001… |
… | …0000110101101001 |
3 | 10011101200012210112 |
4 | 1021002100311221 |
5 | 10002141030100 |
6 | 321331024105 |
7 | 42236063513 |
oct | 11102206551 |
9 | 3141605715 |
10 | 1225330025 |
11 | 579737647 |
12 | 2a243b035 |
13 | 166b2296a |
14 | b8a44bb3 |
15 | 72890b35 |
hex | 49090d69 |
1225330025 has 12 divisors (see below), whose sum is σ = 1568423424. Its totient is φ = 948642000.
The previous prime is 1225330019. The next prime is 1225330061. The reversal of 1225330025 is 5200335221.
It is not a de Polignac number, because 1225330025 - 218 = 1225067881 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 789761 + ... + 791310.
It is an arithmetic number, because the mean of its divisors is an integer number (130701952).
Almost surely, 21225330025 is an apocalyptic number.
It is an amenable number.
1225330025 is a deficient number, since it is larger than the sum of its proper divisors (343093399).
1225330025 is a wasteful number, since it uses less digits than its factorization.
1225330025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1581112 (or 1581107 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 23.
The square root of 1225330025 is about 35004.7143253591. The cubic root of 1225330025 is about 1070.0835597247.
Adding to 1225330025 its reverse (5200335221), we get a palindrome (6425665246).
The spelling of 1225330025 in words is "one billion, two hundred twenty-five million, three hundred thirty thousand, twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •