Base | Representation |
---|---|
bin | 100011010110010001… |
… | …1001001011101101100 |
3 | 21020221020210222000120 |
4 | 1012230203021131230 |
5 | 2220430242321423 |
6 | 54512224324540 |
7 | 5325050510130 |
oct | 1065443113554 |
9 | 236836728016 |
10 | 75909338988 |
11 | 2a21392a9aa |
12 | 12865a73750 |
13 | 72097bc642 |
14 | 39617853c0 |
15 | 1e942daee3 |
hex | 11ac8c976c |
75909338988 has 48 divisors (see below), whose sum is σ = 202686946560. Its totient is φ = 21660306624.
The previous prime is 75909338917. The next prime is 75909339001. The reversal of 75909338988 is 88983390957.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519598 + ... + 649461.
It is an arithmetic number, because the mean of its divisors is an integer number (4222644720).
Almost surely, 275909338988 is an apocalyptic number.
It is an amenable number.
75909338988 is an abundant number, since it is smaller than the sum of its proper divisors (126777607572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75909338988 is a wasteful number, since it uses less digits than its factorization.
75909338988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1169846 (or 1169844 counting only the distinct ones).
The product of its (nonzero) digits is 117573120, while the sum is 69.
The spelling of 75909338988 in words is "seventy-five billion, nine hundred nine million, three hundred thirty-eight thousand, nine hundred eighty-eight".
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