Base | Representation |
---|---|
bin | 1001100000001101… |
… | …0011101101111001 |
3 | 20120210011102122120 |
4 | 2120003103231321 |
5 | 20211024112100 |
6 | 1101044511453 |
7 | 120134114343 |
oct | 23003235571 |
9 | 6523142576 |
10 | 2551004025 |
11 | 1099a80099 |
12 | 5b23ab589 |
13 | 31867984b |
14 | 1a2b2a293 |
15 | ede530a0 |
hex | 980d3b79 |
2551004025 has 24 divisors (see below), whose sum is σ = 4315750560. Its totient is φ = 1328893440.
The previous prime is 2551004021. The next prime is 2551004047. The reversal of 2551004025 is 5204001552.
It is a happy number.
2551004025 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2551004025 - 22 = 2551004021 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2551003986 and 2551004004.
It is not an unprimeable number, because it can be changed into a prime (2551004021) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 392280 + ... + 398729.
It is an arithmetic number, because the mean of its divisors is an integer number (179822940).
Almost surely, 22551004025 is an apocalyptic number.
2551004025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2551004025 is a deficient number, since it is larger than the sum of its proper divisors (1764746535).
2551004025 is a wasteful number, since it uses less digits than its factorization.
2551004025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 791065 (or 791060 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 24.
The square root of 2551004025 is about 50507.4650423083. The cubic root of 2551004025 is about 1366.3764912058.
Adding to 2551004025 its reverse (5204001552), we get a palindrome (7755005577).
The spelling of 2551004025 in words is "two billion, five hundred fifty-one million, four thousand, twenty-five".
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