Base | Representation |
---|---|
bin | 1111100011011… |
… | …11011010011101 |
3 | 100002112001121012 |
4 | 13301233122131 |
5 | 231400323043 |
6 | 20540345005 |
7 | 3143026334 |
oct | 761573235 |
9 | 302461535 |
10 | 130479773 |
11 | 6771a426 |
12 | 37845165 |
13 | 21055c88 |
14 | 13486d1b |
15 | b6c5a18 |
hex | 7c6f69d |
130479773 has 4 divisors (see below), whose sum is σ = 131156028. Its totient is φ = 129803520.
The previous prime is 130479763. The next prime is 130479803. The reversal of 130479773 is 377974031.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 377974031 = 653 ⋅578827.
It can be written as a sum of positive squares in 2 ways, for example, as 32924644 + 97555129 = 5738^2 + 9877^2 .
It is a cyclic number.
It is not a de Polignac number, because 130479773 - 24 = 130479757 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 130479773.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130479733) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337838 + ... + 338223.
It is an arithmetic number, because the mean of its divisors is an integer number (32789007).
Almost surely, 2130479773 is an apocalyptic number.
It is an amenable number.
130479773 is a deficient number, since it is larger than the sum of its proper divisors (676255).
130479773 is an equidigital number, since it uses as much as digits as its factorization.
130479773 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 676254.
The product of its (nonzero) digits is 111132, while the sum is 41.
The square root of 130479773 is about 11422.7743127491. The cubic root of 130479773 is about 507.2021246950.
The spelling of 130479773 in words is "one hundred thirty million, four hundred seventy-nine thousand, seven hundred seventy-three".
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