Base | Representation |
---|---|
bin | 1001011110111000… |
… | …1000111110110001 |
3 | 20120101201111212001 |
4 | 2113232020332301 |
5 | 20203114030100 |
6 | 1100325534001 |
7 | 120036003451 |
oct | 22756107661 |
9 | 6511644761 |
10 | 2545455025 |
11 | 1096930043 |
12 | 5b0574301 |
13 | 317485c09 |
14 | 1a20c3d61 |
15 | ed708d6a |
hex | 97b88fb1 |
2545455025 has 12 divisors (see below), whose sum is σ = 3187618524. Its totient is φ = 2016200000.
The previous prime is 2545455007. The next prime is 2545455083. The reversal of 2545455025 is 5205545452.
It can be written as a sum of positive squares in 6 ways, for example, as 42354064 + 2503100961 = 6508^2 + 50031^2 .
It is a de Polignac number, because none of the positive numbers 2k-2545455025 is a prime.
It is a Duffinian number.
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, 501526 + ... + 506575.
It is an arithmetic number, because the mean of its divisors is an integer number (265634877).
Almost surely, 22545455025 is an apocalyptic number.
2545455025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2545455025 is a deficient number, since it is larger than the sum of its proper divisors (642163499).
2545455025 is a wasteful number, since it uses less digits than its factorization.
2545455025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1008212 (or 1008207 counting only the distinct ones).
The product of its (nonzero) digits is 200000, while the sum is 37.
The square root of 2545455025 is about 50452.5026633962. The cubic root of 2545455025 is about 1365.3850479340.
The spelling of 2545455025 in words is "two billion, five hundred forty-five million, four hundred fifty-five thousand, twenty-five".
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