Base | Representation |
---|---|
bin | 111100101010000100… |
… | …111010111100011100 |
3 | 20020010001102021211000 |
4 | 330222010322330130 |
5 | 2031341343130044 |
6 | 45530455230300 |
7 | 4463664425040 |
oct | 745204727434 |
9 | 206101367730 |
10 | 65130442524 |
11 | 25692489504 |
12 | 10758078390 |
13 | 61ac62aab4 |
14 | 321bdcc020 |
15 | 1a62d73d69 |
hex | f2a13af1c |
65130442524 has 48 divisors (see below), whose sum is σ = 192979091200. Its totient is φ = 18608697648.
The previous prime is 65130442501. The next prime is 65130442529. The reversal of 65130442524 is 42524403156.
65130442524 is a `hidden beast` number, since 65 + 1 + 30 + 4 + 42 + 524 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65130442529) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43074934 + ... + 43076445.
Almost surely, 265130442524 is an apocalyptic number.
It is an amenable number.
65130442524 is an abundant number, since it is smaller than the sum of its proper divisors (127848648676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65130442524 is a wasteful number, since it uses less digits than its factorization.
65130442524 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86151399 (or 86151391 counting only the distinct ones).
The product of its (nonzero) digits is 115200, while the sum is 36.
The spelling of 65130442524 in words is "sixty-five billion, one hundred thirty million, four hundred forty-two thousand, five hundred twenty-four".
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