Base | Representation |
---|---|
bin | 1000100101100110… |
… | …1100001011000101 |
3 | 12221122122221220220 |
4 | 2021121230023011 |
5 | 14210113310000 |
6 | 1020424414553 |
7 | 111060662655 |
oct | 21131541305 |
9 | 5848587826 |
10 | 2305213125 |
11 | a83261816 |
12 | 544017459 |
13 | 2a977bc47 |
14 | 17c228365 |
15 | d75a11a0 |
hex | 8966c2c5 |
2305213125 has 20 divisors (see below), whose sum is σ = 3840795552. Its totient is φ = 1229446000.
The previous prime is 2305213123. The next prime is 2305213129. The reversal of 2305213125 is 5213125032.
It is a happy number.
It is not a de Polignac number, because 2305213125 - 21 = 2305213123 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2305213095 and 2305213104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2305213123) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 612849 + ... + 616598.
Almost surely, 22305213125 is an apocalyptic number.
2305213125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2305213125 is a deficient number, since it is larger than the sum of its proper divisors (1535582427).
2305213125 is an equidigital number, since it uses as much as digits as its factorization.
2305213125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1229470 (or 1229455 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 24.
The square root of 2305213125 is about 48012.6350557851. The cubic root of 2305213125 is about 1321.0026673627.
Adding to 2305213125 its reverse (5213125032), we get a palindrome (7518338157).
The spelling of 2305213125 in words is "two billion, three hundred five million, two hundred thirteen thousand, one hundred twenty-five".
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