Base | Representation |
---|---|
bin | 1001100000001111… |
… | …0101101001110001 |
3 | 20120210102111022201 |
4 | 2120003311221301 |
5 | 20211043034100 |
6 | 1101051503201 |
7 | 120135233524 |
oct | 23003655161 |
9 | 6523374281 |
10 | 2551143025 |
11 | 109a065572 |
12 | 5b2457b01 |
13 | 3186c7bb2 |
14 | 1a2b64bbb |
15 | ede7e36a |
hex | 980f5a71 |
2551143025 has 12 divisors (see below), whose sum is σ = 3164322892. Its totient is φ = 2040330240.
The previous prime is 2551143019. The next prime is 2551143061. The reversal of 2551143025 is 5203411552.
It can be written as a sum of positive squares in 6 ways, for example, as 31002624 + 2520140401 = 5568^2 + 50201^2 .
It is not a de Polignac number, because 2551143025 - 29 = 2551142513 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2551142984 and 2551143002.
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, 88849 + ... + 114001.
Almost surely, 22551143025 is an apocalyptic number.
2551143025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2551143025 is a deficient number, since it is larger than the sum of its proper divisors (613179867).
2551143025 is a wasteful number, since it uses less digits than its factorization.
2551143025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29220 (or 29215 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 28.
The square root of 2551143025 is about 50508.8410577792. The cubic root of 2551143025 is about 1366.4013079552.
Adding to 2551143025 its reverse (5203411552), we get a palindrome (7754554577).
The spelling of 2551143025 in words is "two billion, five hundred fifty-one million, one hundred forty-three thousand, twenty-five".
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