Base | Representation |
---|---|
bin | 111101000110111… |
… | …001101000011001 |
3 | 2122110010112012200 |
4 | 331012321220121 |
5 | 4044424002342 |
6 | 245422000413 |
7 | 34256134650 |
oct | 7506715031 |
9 | 2573115180 |
10 | 1025219097 |
11 | 486789311 |
12 | 247416109 |
13 | 13452a026 |
14 | 9a234197 |
15 | 6001394c |
hex | 3d1b9a19 |
1025219097 has 12 divisors (see below), whose sum is σ = 1692425280. Its totient is φ = 585839448.
The previous prime is 1025219053. The next prime is 1025219101. The reversal of 1025219097 is 7909125201.
It is not a de Polignac number, because 1025219097 - 26 = 1025219033 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1025219047) 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, 8136597 + ... + 8136722.
It is an arithmetic number, because the mean of its divisors is an integer number (141035440).
Almost surely, 21025219097 is an apocalyptic number.
It is an amenable number.
1025219097 is a deficient number, since it is larger than the sum of its proper divisors (667206183).
1025219097 is a wasteful number, since it uses less digits than its factorization.
1025219097 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16273332 (or 16273329 counting only the distinct ones).
The product of its (nonzero) digits is 11340, while the sum is 36.
The square root of 1025219097 is about 32019.0427246037. The cubic root of 1025219097 is about 1008.3366724263.
The spelling of 1025219097 in words is "one billion, twenty-five million, two hundred nineteen thousand, ninety-seven".
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