Base | Representation |
---|---|
bin | 100110110000000… |
… | …0010101000100001 |
3 | 10100121122021212011 |
4 | 1031200002220201 |
5 | 10130330320100 |
6 | 333004432521 |
7 | 44135620552 |
oct | 11540025041 |
9 | 3317567764 |
10 | 1300245025 |
11 | 607a55372 |
12 | 303548741 |
13 | 1794c2671 |
14 | c4986329 |
15 | 7923cbba |
hex | 4d802a21 |
1300245025 has 24 divisors (see below), whose sum is σ = 1646111160. Its totient is φ = 1018467840.
The previous prime is 1300244999. The next prime is 1300245043. The reversal of 1300245025 is 5205420031.
It can be written as a sum of positive squares in 12 ways, for example, as 293642496 + 1006602529 = 17136^2 + 31727^2 .
It is a de Polignac number, because none of the positive numbers 2k-1300245025 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1300244987 and 1300245005.
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, 1071319 + ... + 1072531.
It is an arithmetic number, because the mean of its divisors is an integer number (68587965).
Almost surely, 21300245025 is an apocalyptic number.
It is an amenable number.
1300245025 is a deficient number, since it is larger than the sum of its proper divisors (345866135).
1300245025 is a wasteful number, since it uses less digits than its factorization.
1300245025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2085 (or 2080 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 22.
The square root of 1300245025 is about 36058.9104799355. The cubic root of 1300245025 is about 1091.4614476103.
Adding to 1300245025 its reverse (5205420031), we get a palindrome (6505665056).
The spelling of 1300245025 in words is "one billion, three hundred million, two hundred forty-five thousand, twenty-five".
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