Base | Representation |
---|---|
bin | 100010111011100010… |
… | …1101011010110110001 |
3 | 21011121202002210220100 |
4 | 1011313011223112301 |
5 | 2212111134433131 |
6 | 54243224303013 |
7 | 5263610026035 |
oct | 1056705532661 |
9 | 234552083810 |
10 | 75012421041 |
11 | 298a36131a8 |
12 | 12655611a69 |
13 | 70c5a34a6c |
14 | 38b85cc1c5 |
15 | 1e406bc7e6 |
hex | 117716b5b1 |
75012421041 has 24 divisors (see below), whose sum is σ = 109419298560. Its totient is φ = 49515968736.
The previous prime is 75012421039. The next prime is 75012421079. The reversal of 75012421041 is 14012421057.
It is not a de Polignac number, because 75012421041 - 21 = 75012421039 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 75012420996 and 75012421014.
It is not an unprimeable number, because it can be changed into a prime (75012421091) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1468960 + ... + 1519166.
It is an arithmetic number, because the mean of its divisors is an integer number (4559137440).
Almost surely, 275012421041 is an apocalyptic number.
It is an amenable number.
75012421041 is a deficient number, since it is larger than the sum of its proper divisors (34406877519).
75012421041 is a wasteful number, since it uses less digits than its factorization.
75012421041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51845 (or 51842 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
Adding to 75012421041 its reverse (14012421057), we get a palindrome (89024842098).
The spelling of 75012421041 in words is "seventy-five billion, twelve million, four hundred twenty-one thousand, forty-one".
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