Base | Representation |
---|---|
bin | 10000001100111110100010… |
… | …000100110010100111010100 |
3 | 100100022102212021100022221010 |
4 | 100030332202010302213110 |
5 | 33320013022010312240 |
6 | 411320344235252220 |
7 | 21003255104150166 |
oct | 2014764204624724 |
9 | 310272767308833 |
10 | 71260521572820 |
11 | 20784465740698 |
12 | 7baa9245aa070 |
13 | 309bab8b17c58 |
14 | 1385055c12936 |
15 | 8389b2b0e280 |
hex | 40cfa21329d4 |
71260521572820 has 96 divisors (see below), whose sum is σ = 210801484454400. Its totient is φ = 17957163449344.
The previous prime is 71260521572683. The next prime is 71260521572893. The reversal of 71260521572820 is 2827512506217.
It is a self number, because there is not a number n which added to its sum of digits gives 71260521572820.
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, 435602505 + ... + 435766064.
It is an arithmetic number, because the mean of its divisors is an integer number (2195848796400).
Almost surely, 271260521572820 is an apocalyptic number.
It is an amenable number.
71260521572820 is an abundant number, since it is smaller than the sum of its proper divisors (139540962881580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71260521572820 is a wasteful number, since it uses less digits than its factorization.
71260521572820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 871368657 (or 871368655 counting only the distinct ones).
The product of its (nonzero) digits is 940800, while the sum is 48.
The spelling of 71260521572820 in words is "seventy-one trillion, two hundred sixty billion, five hundred twenty-one million, five hundred seventy-two thousand, eight hundred twenty".
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