Base | Representation |
---|---|
bin | 111110111111000… |
… | …1001000011101001 |
3 | 12110021210222102120 |
4 | 1331332021003221 |
5 | 13312020121100 |
6 | 545414221453 |
7 | 103241650362 |
oct | 17576110351 |
9 | 5407728376 |
10 | 2113442025 |
11 | 994a8a302 |
12 | 4ab954889 |
13 | 278b16316 |
14 | 160988b69 |
15 | c58200a0 |
hex | 7df890e9 |
2113442025 has 12 divisors (see below), whose sum is σ = 3494224272. Its totient is φ = 1127169040.
The previous prime is 2113442021. The next prime is 2113442039. The reversal of 2113442025 is 5202443112.
It is not a de Polignac number, because 2113442025 - 22 = 2113442021 is a prime.
It is a super-2 number, since 2×21134420252 = 8933274386072201250, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2113441986 and 2113442004.
It is not an unprimeable number, because it can be changed into a prime (2113442021) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14089539 + ... + 14089688.
It is an arithmetic number, because the mean of its divisors is an integer number (291185356).
Almost surely, 22113442025 is an apocalyptic number.
2113442025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2113442025 is a deficient number, since it is larger than the sum of its proper divisors (1380782247).
2113442025 is a wasteful number, since it uses less digits than its factorization.
2113442025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28179240 (or 28179235 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 2113442025 is about 45972.1875159318. The cubic root of 2113442025 is about 1283.3056696497.
Adding to 2113442025 its reverse (5202443112), we get a palindrome (7315885137).
The spelling of 2113442025 in words is "two billion, one hundred thirteen million, four hundred forty-two thousand, twenty-five".
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