Base | Representation |
---|---|
bin | 111100110001000… |
… | …1100111001110001 |
3 | 12021002202101100110 |
4 | 1321202030321301 |
5 | 13133441241011 |
6 | 534155011533 |
7 | 101346201210 |
oct | 17142147161 |
9 | 5232671313 |
10 | 2039008881 |
11 | 956a70608 |
12 | 48aa39ba9 |
13 | 266584a40 |
14 | 154b31077 |
15 | be01aba6 |
hex | 7988ce71 |
2039008881 has 32 divisors (see below), whose sum is σ = 3388456960. Its totient is φ = 1061895744.
The previous prime is 2039008877. The next prime is 2039008927. The reversal of 2039008881 is 1888009302.
2039008881 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2039008881 - 22 = 2039008877 is a prime.
It is a super-2 number, since 2×20390088812 = 8315114433593744322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (2039008831) 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, 25705 + ... + 68838.
It is an arithmetic number, because the mean of its divisors is an integer number (105889280).
Almost surely, 22039008881 is an apocalyptic number.
2039008881 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
2039008881 is a deficient number, since it is larger than the sum of its proper divisors (1349448079).
2039008881 is a wasteful number, since it uses less digits than its factorization.
2039008881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94645.
The product of its (nonzero) digits is 27648, while the sum is 39.
The square root of 2039008881 is about 45155.3859578235. The cubic root of 2039008881 is about 1268.0597153741.
The spelling of 2039008881 in words is "two billion, thirty-nine million, eight thousand, eight hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •