Base | Representation |
---|---|
bin | 111100001101101… |
… | …1011000011111101 |
3 | 12012210211201201211 |
4 | 1320123123003331 |
5 | 13114214022103 |
6 | 532253204421 |
7 | 101032403230 |
oct | 17033330375 |
9 | 5183751654 |
10 | 2020454653 |
11 | 947548538 |
12 | 484790711 |
13 | 2627896c9 |
14 | 1524a1417 |
15 | bc5a336d |
hex | 786db0fd |
2020454653 has 8 divisors (see below), whose sum is σ = 2340723008. Its totient is φ = 1708094304.
The previous prime is 2020454633. The next prime is 2020454663. The reversal of 2020454653 is 3564540202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2020454653 - 229 = 1483583741 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 (2020454603) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1976451 + ... + 1977472.
It is an arithmetic number, because the mean of its divisors is an integer number (292590376).
Almost surely, 22020454653 is an apocalyptic number.
It is an amenable number.
2020454653 is a deficient number, since it is larger than the sum of its proper divisors (320268355).
2020454653 is an equidigital number, since it uses as much as digits as its factorization.
2020454653 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3954003.
The product of its (nonzero) digits is 28800, while the sum is 31.
The square root of 2020454653 is about 44949.4677721550. The cubic root of 2020454653 is about 1264.2016976792.
Adding to 2020454653 its reverse (3564540202), we get a palindrome (5584994855).
The spelling of 2020454653 in words is "two billion, twenty million, four hundred fifty-four thousand, six hundred fifty-three".
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