Base | Representation |
---|---|
bin | 1111100001010… |
… | …11000110000111 |
3 | 100001222211202010 |
4 | 13300223012013 |
5 | 231312344233 |
6 | 20530345303 |
7 | 3140452446 |
oct | 760530607 |
9 | 301884663 |
10 | 130199943 |
11 | 67549165 |
12 | 3772b233 |
13 | 20c887b3 |
14 | 13412d5d |
15 | b66cb63 |
hex | 7c2b187 |
130199943 has 16 divisors (see below), whose sum is σ = 175372416. Its totient is φ = 85918560.
The previous prime is 130199903. The next prime is 130199981. The reversal of 130199943 is 349991031.
It is not a de Polignac number, because 130199943 - 29 = 130199431 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130199903) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230980 + ... + 231542.
It is an arithmetic number, because the mean of its divisors is an integer number (10960776).
Almost surely, 2130199943 is an apocalyptic number.
130199943 is a deficient number, since it is larger than the sum of its proper divisors (45172473).
130199943 is a wasteful number, since it uses less digits than its factorization.
130199943 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1214.
The product of its (nonzero) digits is 26244, while the sum is 39.
The square root of 130199943 is about 11410.5189627817. The cubic root of 130199943 is about 506.8392793008.
The spelling of 130199943 in words is "one hundred thirty million, one hundred ninety-nine thousand, nine hundred forty-three".
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