Base | Representation |
---|---|
bin | 100001011010011100… |
… | …0100100001110001000 |
3 | 20212012200012020102121 |
4 | 1002310320210032020 |
5 | 2133423034012130 |
6 | 52544033341024 |
7 | 5120064446101 |
oct | 1026470441610 |
9 | 225180166377 |
10 | 71754204040 |
11 | 28481417582 |
12 | 11aa6407774 |
13 | 69c69c19cc |
14 | 36899ab3a8 |
15 | 1cee61ed7a |
hex | 10b4e24388 |
71754204040 has 32 divisors (see below), whose sum is σ = 161634113280. Its totient is φ = 28668409792.
The previous prime is 71754204037. The next prime is 71754204059. The reversal of 71754204040 is 4040245717.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 71754203987 and 71754204005.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1004794 + ... + 1073833.
It is an arithmetic number, because the mean of its divisors is an integer number (5051066040).
Almost surely, 271754204040 is an apocalyptic number.
It is an amenable number.
71754204040 is an abundant number, since it is smaller than the sum of its proper divisors (89879909240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71754204040 is a wasteful number, since it uses less digits than its factorization.
71754204040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2079501 (or 2079497 counting only the distinct ones).
The product of its (nonzero) digits is 31360, while the sum is 34.
Adding to 71754204040 its reverse (4040245717), we get a palindrome (75794449757).
The spelling of 71754204040 in words is "seventy-one billion, seven hundred fifty-four million, two hundred four thousand, forty".
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