Base | Representation |
---|---|
bin | 10000001000100001… |
… | …10010001010011110 |
3 | 211100122000220102201 |
4 | 20010100302022132 |
5 | 120214312140410 |
6 | 3551244442114 |
7 | 424432024036 |
oct | 100420621236 |
9 | 24318026381 |
10 | 8661443230 |
11 | 3745182550 |
12 | 181884933a |
13 | a805a284b |
14 | 5c24868c6 |
15 | 35a60383a |
hex | 20443229e |
8661443230 has 16 divisors (see below), whose sum is σ = 17007925104. Its totient is φ = 3149615680.
The previous prime is 8661443179. The next prime is 8661443239. The reversal of 8661443230 is 323441668.
It is a self number, because there is not a number n which added to its sum of digits gives 8661443230.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8661443239) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39370087 + ... + 39370306.
It is an arithmetic number, because the mean of its divisors is an integer number (1062995319).
Almost surely, 28661443230 is an apocalyptic number.
8661443230 is a deficient number, since it is larger than the sum of its proper divisors (8346481874).
8661443230 is a wasteful number, since it uses less digits than its factorization.
8661443230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78740411.
The product of its (nonzero) digits is 82944, while the sum is 37.
The square root of 8661443230 is about 93066.8750415528. The cubic root of 8661443230 is about 2053.6672987377.
Adding to 8661443230 its reverse (323441668), we get a palindrome (8984884898).
The spelling of 8661443230 in words is "eight billion, six hundred sixty-one million, four hundred forty-three thousand, two hundred thirty".
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