Base | Representation |
---|---|
bin | 11101011001111000110… |
… | …110101110101110101101 |
3 | 21011011200102111111202111 |
4 | 131121320312232232231 |
5 | 231101304013222341 |
6 | 4144140204324021 |
7 | 265662615444220 |
oct | 35317066565655 |
9 | 7134612444674 |
10 | 2020662242221 |
11 | 709a5a180227 |
12 | 28774b843611 |
13 | 1187171bb2bc |
14 | 6db2cac15b7 |
15 | 37866e5d681 |
hex | 1d678daebad |
2020662242221 has 8 divisors (see below), whose sum is σ = 2371742554880. Its totient is φ = 1685185499088.
The previous prime is 2020662242201. The next prime is 2020662242239. The reversal of 2020662242221 is 1222422660202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2020662242221 - 219 = 2020661717933 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020662242201) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3900892101 + ... + 3900892618.
It is an arithmetic number, because the mean of its divisors is an integer number (296467819360).
Almost surely, 22020662242221 is an apocalyptic number.
It is an amenable number.
2020662242221 is a deficient number, since it is larger than the sum of its proper divisors (351080312659).
2020662242221 is an equidigital number, since it uses as much as digits as its factorization.
2020662242221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7801784763.
The product of its (nonzero) digits is 18432, while the sum is 31.
The spelling of 2020662242221 in words is "two trillion, twenty billion, six hundred sixty-two million, two hundred forty-two thousand, two hundred twenty-one".
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