Base | Representation |
---|---|
bin | 1000010001000101001… |
… | …1100000010111000010 |
3 | 111120120220200021020000 |
4 | 2010101103200113002 |
5 | 4311331201343342 |
6 | 145124532300430 |
7 | 13155331115151 |
oct | 2042123402702 |
9 | 446526607200 |
10 | 142024246722 |
11 | 55260a91716 |
12 | 23637771716 |
13 | 10515078717 |
14 | 6c343d9598 |
15 | 3a637c344c |
hex | 21114e05c2 |
142024246722 has 90 divisors (see below), whose sum is σ = 329914827099. Its totient is φ = 45664184160.
The previous prime is 142024246699. The next prime is 142024246729. The reversal of 142024246722 is 227642420241.
142024246722 is a `hidden beast` number, since 1 + 4 + 202 + 424 + 6 + 7 + 22 = 666.
It can be written as a sum of positive squares in 5 ways, for example, as 86078278881 + 55945967841 = 293391^2 + 236529^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=266481.
It is not an unprimeable number, because it can be changed into a prime (142024246729) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 139102572 + ... + 139103592.
Almost surely, 2142024246722 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142024246722
142024246722 is an abundant number, since it is smaller than the sum of its proper divisors (187890580377).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142024246722 is an frugal number, since it uses more digits than its factorization.
142024246722 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2114 (or 1055 counting only the distinct ones).
The product of its (nonzero) digits is 86016, while the sum is 36.
Adding to 142024246722 its reverse (227642420241), we get a palindrome (369666666963).
The spelling of 142024246722 in words is "one hundred forty-two billion, twenty-four million, two hundred forty-six thousand, seven hundred twenty-two".
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