Base | Representation |
---|---|
bin | 1001010001101001… |
… | …01101010001110101 |
3 | 110212001111202100111 |
4 | 10220310231101311 |
5 | 40144321413020 |
6 | 2142051543021 |
7 | 234256135561 |
oct | 45064552165 |
9 | 13761452314 |
10 | 4979872885 |
11 | 2126010229 |
12 | b6b8baa71 |
13 | 614932660 |
14 | 3535426a1 |
15 | 1e22ccd5a |
hex | 128d2d475 |
4979872885 has 16 divisors (see below), whose sum is σ = 6463167984. Its totient is φ = 3661650432.
The previous prime is 4979872879. The next prime is 4979872967. The reversal of 4979872885 is 5882789794.
It can be written as a sum of positive squares in 8 ways, for example, as 24980004 + 4954892881 = 4998^2 + 70391^2 .
It is a cyclic number.
It is not a de Polignac number, because 4979872885 - 223 = 4971484277 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 4979872885.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149262 + ... + 179551.
It is an arithmetic number, because the mean of its divisors is an integer number (403947999).
Almost surely, 24979872885 is an apocalyptic number.
It is an amenable number.
4979872885 is a deficient number, since it is larger than the sum of its proper divisors (1483295099).
4979872885 is a wasteful number, since it uses less digits than its factorization.
4979872885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 329064.
The product of its digits is 81285120, while the sum is 67.
The square root of 4979872885 is about 70568.2144098885. The cubic root of 4979872885 is about 1707.6784022156.
The spelling of 4979872885 in words is "four billion, nine hundred seventy-nine million, eight hundred seventy-two thousand, eight hundred eighty-five".
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