Base | Representation |
---|---|
bin | 1001110001110110… |
… | …1000100010000010 |
3 | 20202221102112002200 |
4 | 2130131220202002 |
5 | 20334000421030 |
6 | 1112251054030 |
7 | 122023151502 |
oct | 23435504202 |
9 | 6687375080 |
10 | 2625013890 |
11 | 112782a874 |
12 | 613141316 |
13 | 32aac0575 |
14 | 1ac8b3a02 |
15 | 1056c1d60 |
hex | 9c768882 |
2625013890 has 24 divisors (see below), whose sum is σ = 6825036348. Its totient is φ = 700003680.
The previous prime is 2625013879. The next prime is 2625013901. The reversal of 2625013890 is 983105262.
2625013890 is a `hidden beast` number, since 2 + 62 + 501 + 3 + 8 + 90 = 666.
2625013890 is nontrivially palindromic in base 12.
It is an interprime number because it is at equal distance from previous prime (2625013879) and next prime (2625013901).
It can be written as a sum of positive squares in 2 ways, for example, as 2414444769 + 210569121 = 49137^2 + 14511^2 .
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14583321 + ... + 14583500.
Almost surely, 22625013890 is an apocalyptic number.
2625013890 is an abundant number, since it is smaller than the sum of its proper divisors (4200022458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2625013890 is a wasteful number, since it uses less digits than its factorization.
2625013890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29166834 (or 29166831 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The square root of 2625013890 is about 51234.8893821388. The cubic root of 2625013890 is about 1379.4645212946.
The spelling of 2625013890 in words is "two billion, six hundred twenty-five million, thirteen thousand, eight hundred ninety".
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