Base | Representation |
---|---|
bin | 10000100010100101… |
… | …00000110000110001 |
3 | 211220212021202000201 |
4 | 20101102200300301 |
5 | 121141240000144 |
6 | 4025053115201 |
7 | 433024516654 |
oct | 102122406061 |
9 | 24825252021 |
10 | 8880000049 |
11 | 384758a518 |
12 | 1879a88b01 |
13 | ab69563cb |
14 | 6034d989b |
15 | 36e8c61d4 |
hex | 2114a0c31 |
8880000049 has 4 divisors (see below), whose sum is σ = 8880278260. Its totient is φ = 8879721840.
The previous prime is 8880000043. The next prime is 8880000091. The reversal of 8880000049 is 9400000888.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 736742449 + 8143257600 = 27143^2 + 90240^2 .
It is a cyclic number.
It is not a de Polignac number, because 8880000049 - 227 = 8745782321 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 8879999972 and 8880000017.
It is not an unprimeable number, because it can be changed into a prime (8880000043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83934 + ... + 157495.
It is an arithmetic number, because the mean of its divisors is an integer number (2220069565).
Almost surely, 28880000049 is an apocalyptic number.
It is an amenable number.
8880000049 is a deficient number, since it is larger than the sum of its proper divisors (278211).
8880000049 is a wasteful number, since it uses less digits than its factorization.
8880000049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 278210.
The product of its (nonzero) digits is 18432, while the sum is 37.
The square root of 8880000049 is about 94233.7521751097. The cubic root of 8880000049 is about 2070.7976147057.
The spelling of 8880000049 in words is "eight billion, eight hundred eighty million, forty-nine", and thus it is an aban number.
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