Base | Representation |
---|---|
bin | 1000010001000001… |
… | …0001011010100011 |
3 | 12201122011200011101 |
4 | 2010100101122203 |
5 | 14021011430042 |
6 | 1004101455231 |
7 | 105661661122 |
oct | 20420213243 |
9 | 5648150141 |
10 | 2218858147 |
11 | a3953aa70 |
12 | 51b111517 |
13 | 29490511c |
14 | 170989ab9 |
15 | cebe46b7 |
hex | 844116a3 |
2218858147 has 8 divisors (see below), whose sum is σ = 2420913600. Its totient is φ = 2016859560.
The previous prime is 2218858123. The next prime is 2218858163. The reversal of 2218858147 is 7418588122.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2218858147 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2218858097 and 2218858106.
It is not an unprimeable number, because it can be changed into a prime (2218858177) 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 7 ways as a sum of consecutive naturals, for example, 143604 + ... + 158302.
It is an arithmetic number, because the mean of its divisors is an integer number (302614200).
Almost surely, 22218858147 is an apocalyptic number.
2218858147 is a deficient number, since it is larger than the sum of its proper divisors (202055453).
2218858147 is a wasteful number, since it uses less digits than its factorization.
2218858147 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28433.
The product of its digits is 286720, while the sum is 46.
The square root of 2218858147 is about 47104.7571589112. The cubic root of 2218858147 is about 1304.2970523641.
It can be divided in two parts, 221885 and 8147, that added together give a palindrome (230032).
The spelling of 2218858147 in words is "two billion, two hundred eighteen million, eight hundred fifty-eight thousand, one hundred forty-seven".
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