Base | Representation |
---|---|
bin | 111110111100111… |
… | …0010110111010001 |
3 | 12110012200002100121 |
4 | 1331321302313101 |
5 | 13311222140140 |
6 | 545333550241 |
7 | 103226163313 |
oct | 17571626721 |
9 | 5405602317 |
10 | 2112302545 |
11 | 994381191 |
12 | 4ab4a5381 |
13 | 278807782 |
14 | 16076d7b3 |
15 | c569764a |
hex | 7de72dd1 |
2112302545 has 16 divisors (see below), whose sum is σ = 2642663232. Its totient is φ = 1619392320.
The previous prime is 2112302503. The next prime is 2112302573. The reversal of 2112302545 is 5452032112.
It is a de Polignac number, because none of the positive numbers 2k-2112302545 is a prime.
It is a super-2 number, since 2×21123025452 = 8923644083226954050, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81291 + ... + 104080.
It is an arithmetic number, because the mean of its divisors is an integer number (165166452).
Almost surely, 22112302545 is an apocalyptic number.
It is an amenable number.
2112302545 is a deficient number, since it is larger than the sum of its proper divisors (530360687).
2112302545 is a wasteful number, since it uses less digits than its factorization.
2112302545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 185472.
The product of its (nonzero) digits is 2400, while the sum is 25.
The square root of 2112302545 is about 45959.7926997066. The cubic root of 2112302545 is about 1283.0749931814.
Adding to 2112302545 its reverse (5452032112), we get a palindrome (7564334657).
The spelling of 2112302545 in words is "two billion, one hundred twelve million, three hundred two thousand, five hundred forty-five".
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