Base | Representation |
---|---|
bin | 1001010101010100… |
… | …1000100000010101 |
3 | 20110121020201022020 |
4 | 2111111020200111 |
5 | 20112332020140 |
6 | 1052334123353 |
7 | 116041036650 |
oct | 22525104025 |
9 | 6417221266 |
10 | 2505345045 |
11 | 10762248a5 |
12 | 59b050559 |
13 | 30c0812b8 |
14 | 19aa42897 |
15 | e9e346d0 |
hex | 95548815 |
2505345045 has 32 divisors (see below), whose sum is σ = 4609339392. Its totient is φ = 1138266432.
The previous prime is 2505345041. The next prime is 2505345047. The reversal of 2505345045 is 5405435052.
It is not a de Polignac number, because 2505345045 - 22 = 2505345041 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2505344997 and 2505345015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2505345041) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56077 + ... + 90306.
It is an arithmetic number, because the mean of its divisors is an integer number (144041856).
Almost surely, 22505345045 is an apocalyptic number.
It is an amenable number.
2505345045 is a deficient number, since it is larger than the sum of its proper divisors (2103994347).
2505345045 is a wasteful number, since it uses less digits than its factorization.
2505345045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146561.
The product of its (nonzero) digits is 60000, while the sum is 33.
The square root of 2505345045 is about 50053.4219109943. The cubic root of 2505345045 is about 1358.1753654062.
The spelling of 2505345045 in words is "two billion, five hundred five million, three hundred forty-five thousand, forty-five".
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