Base | Representation |
---|---|
bin | 1111100000110… |
… | …00101010011101 |
3 | 100001212000011220 |
4 | 13300120222131 |
5 | 231302440240 |
6 | 20525003553 |
7 | 3140016363 |
oct | 760305235 |
9 | 301760156 |
10 | 130124445 |
11 | 674a7470 |
12 | 376b35b9 |
13 | 20c60319 |
14 | 133d3633 |
15 | b6555d0 |
hex | 7c18a9d |
130124445 has 32 divisors (see below), whose sum is σ = 239086080. Its totient is φ = 59768640.
The previous prime is 130124437. The next prime is 130124459. The reversal of 130124445 is 544421031.
It is not a de Polignac number, because 130124445 - 23 = 130124437 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17619 + ... + 23888.
It is an arithmetic number, because the mean of its divisors is an integer number (7471440).
Almost surely, 2130124445 is an apocalyptic number.
130124445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
130124445 is a deficient number, since it is larger than the sum of its proper divisors (108961635).
130124445 is a wasteful number, since it uses less digits than its factorization.
130124445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41545.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 130124445 is about 11407.2102198566. The cubic root of 130124445 is about 506.7412947456.
Adding to 130124445 its reverse (544421031), we get a palindrome (674545476).
The spelling of 130124445 in words is "one hundred thirty million, one hundred twenty-four thousand, four hundred forty-five".
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