Base | Representation |
---|---|
bin | 1111100000111… |
… | …01010100111000 |
3 | 100001212222101021 |
4 | 13300131110320 |
5 | 231304043134 |
6 | 20525232224 |
7 | 3140126146 |
oct | 760352470 |
9 | 301788337 |
10 | 130143544 |
11 | 6750a853 |
12 | 37702674 |
13 | 20c68c1b |
14 | 133da596 |
15 | b65b0b4 |
hex | 7c1d538 |
130143544 has 8 divisors (see below), whose sum is σ = 244019160. Its totient is φ = 65071768.
The previous prime is 130143523. The next prime is 130143571. The reversal of 130143544 is 445341031.
130143544 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8133964 + ... + 8133979.
It is an arithmetic number, because the mean of its divisors is an integer number (30502395).
Almost surely, 2130143544 is an apocalyptic number.
It is an amenable number.
130143544 is a deficient number, since it is larger than the sum of its proper divisors (113875616).
130143544 is a wasteful number, since it uses less digits than its factorization.
130143544 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16267949 (or 16267945 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 130143544 is about 11408.0473351052. The cubic root of 130143544 is about 506.7660858306.
Adding to 130143544 its reverse (445341031), we get a palindrome (575484575).
The spelling of 130143544 in words is "one hundred thirty million, one hundred forty-three thousand, five hundred forty-four".
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