Base | Representation |
---|---|
bin | 100001010010000011… |
… | …0001111000111101100 |
3 | 20211111001020222221210 |
4 | 1002210012033013230 |
5 | 2132333434344311 |
6 | 52500053154420 |
7 | 5110104602046 |
oct | 1024406170754 |
9 | 224431228853 |
10 | 71472574956 |
11 | 28347450472 |
12 | 11a2802ba10 |
13 | 6980556993 |
14 | 366041aa96 |
15 | 1cd4a3e3a6 |
hex | 10a418f1ec |
71472574956 has 48 divisors (see below), whose sum is σ = 167074354944. Its totient is φ = 23780667456.
The previous prime is 71472574931. The next prime is 71472575011. The reversal of 71472574956 is 65947527417.
It is a junction number, because it is equal to n+sod(n) for n = 71472574896 and 71472574905.
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, 20148375 + ... + 20151921.
It is an arithmetic number, because the mean of its divisors is an integer number (3480715728).
Almost surely, 271472574956 is an apocalyptic number.
It is an amenable number.
71472574956 is an abundant number, since it is smaller than the sum of its proper divisors (95601779988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71472574956 is a wasteful number, since it uses less digits than its factorization.
71472574956 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6150 (or 6148 counting only the distinct ones).
The product of its digits is 14817600, while the sum is 57.
The spelling of 71472574956 in words is "seventy-one billion, four hundred seventy-two million, five hundred seventy-four thousand, nine hundred fifty-six".
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