Base | Representation |
---|---|
bin | 11101101011101001010… |
… | …111100011101000010001 |
3 | 21012222220021102000120110 |
4 | 131223221113203220101 |
5 | 231404331304434011 |
6 | 4201012223431533 |
7 | 300236255635254 |
oct | 35535127435021 |
9 | 7188807360513 |
10 | 2039729764881 |
11 | 717054305216 |
12 | 28b3914555a9 |
13 | 11a46563aaa3 |
14 | 70a1b1d509b |
15 | 380d0dd4ba6 |
hex | 1dae95e3a11 |
2039729764881 has 16 divisors (see below), whose sum is σ = 2833125701120. Its totient is φ = 1303881701760.
The previous prime is 2039729764879. The next prime is 2039729764909. The reversal of 2039729764881 is 1884679279302.
It is not a de Polignac number, because 2039729764881 - 21 = 2039729764879 is a prime.
It is a super-2 number, since 2×20397297648812 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2039729764181) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100598020 + ... + 100618293.
It is an arithmetic number, because the mean of its divisors is an integer number (177070356320).
Almost surely, 22039729764881 is an apocalyptic number.
It is an amenable number.
2039729764881 is a deficient number, since it is larger than the sum of its proper divisors (793395936239).
2039729764881 is a wasteful number, since it uses less digits than its factorization.
2039729764881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 201216456.
The product of its (nonzero) digits is 73156608, while the sum is 66.
The spelling of 2039729764881 in words is "two trillion, thirty-nine billion, seven hundred twenty-nine million, seven hundred sixty-four thousand, eight hundred eighty-one".
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