Base | Representation |
---|---|
bin | 111011111101100… |
… | …1111100000111001 |
3 | 12012012222010211210 |
4 | 1313323033200321 |
5 | 13110034044440 |
6 | 531352313333 |
7 | 100600606602 |
oct | 16773174071 |
9 | 5165863753 |
10 | 2012018745 |
11 | 942806510 |
12 | 4819a2849 |
13 | 260ac4a49 |
14 | 151306da9 |
15 | bb988a80 |
hex | 77ecf839 |
2012018745 has 64 divisors (see below), whose sum is σ = 3634283520. Its totient is φ = 941932800.
The previous prime is 2012018713. The next prime is 2012018747. The reversal of 2012018745 is 5478102102.
It is not a de Polignac number, because 2012018745 - 25 = 2012018713 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2012018747) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 847410 + ... + 849780.
It is an arithmetic number, because the mean of its divisors is an integer number (56785680).
Almost surely, 22012018745 is an apocalyptic number.
It is an amenable number.
2012018745 is a deficient number, since it is larger than the sum of its proper divisors (1622264775).
2012018745 is a wasteful number, since it uses less digits than its factorization.
2012018745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2566.
The product of its (nonzero) digits is 4480, while the sum is 30.
The square root of 2012018745 is about 44855.5319330849. The cubic root of 2012018745 is about 1262.4397895672.
The spelling of 2012018745 in words is "two billion, twelve million, eighteen thousand, seven hundred forty-five".
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