Base | Representation |
---|---|
bin | 100110111110111… |
… | …0110101000011101 |
3 | 10101011100100020200 |
4 | 1031331312220131 |
5 | 10134330411224 |
6 | 333444134113 |
7 | 44262220362 |
oct | 11575665035 |
9 | 3334310220 |
10 | 1308060189 |
11 | 611402a87 |
12 | 306097339 |
13 | 17acca917 |
14 | c5a1c469 |
15 | 79c835c9 |
hex | 4df76a1d |
1308060189 has 12 divisors (see below), whose sum is σ = 2000562876. Its totient is φ = 820743552.
The previous prime is 1308060161. The next prime is 1308060199. The reversal of 1308060189 is 9810608031.
It can be written as a sum of positive squares in 2 ways, for example, as 507736089 + 800324100 = 22533^2 + 28290^2 .
It is not a de Polignac number, because 1308060189 - 25 = 1308060157 is a prime.
It is a super-2 number, since 2×13080601892 = 3422042916093431442, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1308060199) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4274554 + ... + 4274859.
It is an arithmetic number, because the mean of its divisors is an integer number (166713573).
Almost surely, 21308060189 is an apocalyptic number.
It is an amenable number.
1308060189 is a deficient number, since it is larger than the sum of its proper divisors (692502687).
1308060189 is a wasteful number, since it uses less digits than its factorization.
1308060189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8549436 (or 8549433 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 36.
The square root of 1308060189 is about 36167.1147453042. The cubic root of 1308060189 is about 1093.6438355557.
The spelling of 1308060189 in words is "one billion, three hundred eight million, sixty thousand, one hundred eighty-nine".
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