Base | Representation |
---|---|
bin | 110100110001010101… |
… | …011100011111001110 |
3 | 12102020220002001212020 |
4 | 310301111130133032 |
5 | 1412021020431032 |
6 | 42010313151010 |
7 | 4044100302006 |
oct | 646125343716 |
9 | 172226061766 |
10 | 56662280142 |
11 | 2203741a7a6 |
12 | ab940bb466 |
13 | 54600cc120 |
14 | 2a57499006 |
15 | 17196edb2c |
hex | d3155c7ce |
56662280142 has 64 divisors (see below), whose sum is σ = 123604862976. Its totient is φ = 17211576960.
The previous prime is 56662280107. The next prime is 56662280173. The reversal of 56662280142 is 24108226665.
It is a happy number.
It is a super-2 number, since 2×566622801422 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 56662280094 and 56662280103.
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, 12045763 + ... + 12050465.
It is an arithmetic number, because the mean of its divisors is an integer number (1931325984).
Almost surely, 256662280142 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 56662280142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61802431488).
56662280142 is an abundant number, since it is smaller than the sum of its proper divisors (66942582834).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56662280142 is a wasteful number, since it uses less digits than its factorization.
56662280142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6665.
The product of its (nonzero) digits is 276480, while the sum is 42.
The spelling of 56662280142 in words is "fifty-six billion, six hundred sixty-two million, two hundred eighty thousand, one hundred forty-two".
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