Base | Representation |
---|---|
bin | 1111100110100… |
… | …11100011010111 |
3 | 100010021220020200 |
4 | 13303103203113 |
5 | 232001434233 |
6 | 20553231543 |
7 | 3146355222 |
oct | 763234327 |
9 | 303256220 |
10 | 130889943 |
11 | 6797a608 |
12 | 37a025b3 |
13 | 2116a892 |
14 | 135525b9 |
15 | b757313 |
hex | 7cd38d7 |
130889943 has 12 divisors (see below), whose sum is σ = 189204288. Its totient is φ = 87194880.
The previous prime is 130889933. The next prime is 130889947. The reversal of 130889943 is 349988031.
It is not a de Polignac number, because 130889943 - 28 = 130889687 is a prime.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130889947) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9463 + ... + 18743.
It is an arithmetic number, because the mean of its divisors is an integer number (15767024).
Almost surely, 2130889943 is an apocalyptic number.
130889943 is a deficient number, since it is larger than the sum of its proper divisors (58314345).
130889943 is a wasteful number, since it uses less digits than its factorization.
130889943 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10854 (or 10851 counting only the distinct ones).
The product of its (nonzero) digits is 186624, while the sum is 45.
The square root of 130889943 is about 11440.7142696599. The cubic root of 130889943 is about 507.7330409096.
The spelling of 130889943 in words is "one hundred thirty million, eight hundred eighty-nine thousand, nine hundred forty-three".
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