Base | Representation |
---|---|
bin | 10010101011001010… |
… | …000011110001111010 |
3 | 1220202102021011120101 |
4 | 102223022003301322 |
5 | 312031130110132 |
6 | 13113403150014 |
7 | 1306615113256 |
oct | 225312036172 |
9 | 56672234511 |
10 | 20051410042 |
11 | 855a553164 |
12 | 3a7721530a |
13 | 1b77237a91 |
14 | d83069266 |
15 | 7c55237e7 |
hex | 4ab283c7a |
20051410042 has 8 divisors (see below), whose sum is σ = 30080150100. Its totient is φ = 10024693344.
The previous prime is 20051409997. The next prime is 20051410073. The reversal of 20051410042 is 24001415002.
It can be written as a sum of positive squares in 2 ways, for example, as 17904848481 + 2146561561 = 133809^2 + 46331^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480817 + ... + 520852.
Almost surely, 220051410042 is an apocalyptic number.
20051410042 is a deficient number, since it is larger than the sum of its proper divisors (10028740058).
20051410042 is a wasteful number, since it uses less digits than its factorization.
20051410042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1011680.
The product of its (nonzero) digits is 320, while the sum is 19.
Adding to 20051410042 its reverse (24001415002), we get a palindrome (44052825044).
The spelling of 20051410042 in words is "twenty billion, fifty-one million, four hundred ten thousand, forty-two".
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