Base | Representation |
---|---|
bin | 111011110001011… |
… | …0000101100000001 |
3 | 12011202220002101110 |
4 | 1313202300230001 |
5 | 13101413213100 |
6 | 531002553533 |
7 | 100462220211 |
oct | 16742605401 |
9 | 5152802343 |
10 | 2005601025 |
11 | 93a12280a |
12 | 47b8088a9 |
13 | 25c68888c |
14 | 150516241 |
15 | bb11c250 |
hex | 778b0b01 |
2005601025 has 24 divisors (see below), whose sum is σ = 3334474080. Its totient is φ = 1063671040.
The previous prime is 2005601011. The next prime is 2005601033. The reversal of 2005601025 is 5201065002.
It is not a de Polignac number, because 2005601025 - 217 = 2005469953 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2005600992 and 2005601010.
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, 61272 + ... + 88121.
It is an arithmetic number, because the mean of its divisors is an integer number (138936420).
Almost surely, 22005601025 is an apocalyptic number.
2005601025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2005601025 is a deficient number, since it is larger than the sum of its proper divisors (1328873055).
2005601025 is a wasteful number, since it uses less digits than its factorization.
2005601025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149585 (or 149580 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 21.
The square root of 2005601025 is about 44783.9371315207. The cubic root of 2005601025 is about 1261.0960952166.
Adding to 2005601025 its reverse (5201065002), we get a palindrome (7206666027).
The spelling of 2005601025 in words is "two billion, five million, six hundred one thousand, twenty-five".
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