Base | Representation |
---|---|
bin | 10110010001011001001… |
… | …111010011101100101101 |
3 | 12102022111120012020221221 |
4 | 112101121033103230231 |
5 | 200033433404324240 |
6 | 3131034325223341 |
7 | 215401232314045 |
oct | 26213117235455 |
9 | 5368446166857 |
10 | 1530505542445 |
11 | 5400a15299a0 |
12 | 208757261b51 |
13 | b1431454439 |
14 | 54110cb0725 |
15 | 29c2a583a4a |
hex | 164593d3b2d |
1530505542445 has 32 divisors (see below), whose sum is σ = 2043121947264. Its totient is φ = 1091158099200.
The previous prime is 1530505542437. The next prime is 1530505542473. The reversal of 1530505542445 is 5442455050351.
It is not a de Polignac number, because 1530505542445 - 23 = 1530505542437 is a prime.
It is a Duffinian number.
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, 3189279 + ... + 3637651.
It is an arithmetic number, because the mean of its divisors is an integer number (63847560852).
Almost surely, 21530505542445 is an apocalyptic number.
It is an amenable number.
1530505542445 is a deficient number, since it is larger than the sum of its proper divisors (512616404819).
1530505542445 is a wasteful number, since it uses less digits than its factorization.
1530505542445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 449613.
The product of its (nonzero) digits is 1200000, while the sum is 43.
The spelling of 1530505542445 in words is "one trillion, five hundred thirty billion, five hundred five million, five hundred forty-two thousand, four hundred forty-five".
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