Base | Representation |
---|---|
bin | 111110101111111… |
… | …1100010010110001 |
3 | 12102201220202220011 |
4 | 1331133330102301 |
5 | 13303003303200 |
6 | 544532414521 |
7 | 103114446043 |
oct | 17537742261 |
9 | 5381822804 |
10 | 2105525425 |
11 | 990572463 |
12 | 4a9177441 |
13 | 2772a3b43 |
14 | 15d8c7a93 |
15 | c4ca95ba |
hex | 7d7fc4b1 |
2105525425 has 24 divisors (see below), whose sum is σ = 2788035840. Its totient is φ = 1573857600.
The previous prime is 2105525419. The next prime is 2105525431. The reversal of 2105525425 is 5245255012.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2105525419) and next prime (2105525431).
It is not a de Polignac number, because 2105525425 - 25 = 2105525393 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (31).
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, 24367 + ... + 69316.
It is an arithmetic number, because the mean of its divisors is an integer number (116168160).
Almost surely, 22105525425 is an apocalyptic number.
2105525425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2105525425 is a deficient number, since it is larger than the sum of its proper divisors (682510415).
2105525425 is a wasteful number, since it uses less digits than its factorization.
2105525425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93753 (or 93748 counting only the distinct ones).
The product of its (nonzero) digits is 20000, while the sum is 31.
The square root of 2105525425 is about 45886.0046746282. The cubic root of 2105525425 is about 1281.7013153677.
The spelling of 2105525425 in words is "two billion, one hundred five million, five hundred twenty-five thousand, four hundred twenty-five".
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