Base | Representation |
---|---|
bin | 10010101000110001… |
… | …011110101100010010 |
3 | 1220122122000001220101 |
4 | 102220301132230102 |
5 | 311440410142432 |
6 | 13105414003014 |
7 | 1305621124513 |
oct | 225061365422 |
9 | 56578001811 |
10 | 20011412242 |
11 | 8539a14228 |
12 | 3a6594646a |
13 | 1b6bb72243 |
14 | d7ba16a0a |
15 | 7c1c724e7 |
hex | 4a8c5eb12 |
20011412242 has 32 divisors (see below), whose sum is σ = 31464417600. Its totient is φ = 9533160000.
The previous prime is 20011412233. The next prime is 20011412257. The reversal of 20011412242 is 24221411002.
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, 1580517 + ... + 1593127.
It is an arithmetic number, because the mean of its divisors is an integer number (983263050).
Almost surely, 220011412242 is an apocalyptic number.
20011412242 is a deficient number, since it is larger than the sum of its proper divisors (11453005358).
20011412242 is a wasteful number, since it uses less digits than its factorization.
20011412242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13002.
The product of its (nonzero) digits is 256, while the sum is 19.
Adding to 20011412242 its reverse (24221411002), we get a palindrome (44232823244).
The spelling of 20011412242 in words is "twenty billion, eleven million, four hundred twelve thousand, two hundred forty-two".
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