Base | Representation |
---|---|
bin | 111100001110010… |
… | …1101000011100001 |
3 | 12012211110210102111 |
4 | 1320130231003201 |
5 | 13114310243442 |
6 | 532304315321 |
7 | 101035302325 |
oct | 17034550341 |
9 | 5184423374 |
10 | 2020790497 |
11 | 9477578a0 |
12 | 484912b41 |
13 | 26287652b |
14 | 15254b985 |
15 | bc61cb17 |
hex | 7872d0e1 |
2020790497 has 4 divisors (see below), whose sum is σ = 2204498736. Its totient is φ = 1837082260.
The previous prime is 2020790377. The next prime is 2020790501. The reversal of 2020790497 is 7940970202.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2020790497 - 211 = 2020788449 is a prime.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (2020791497) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91854103 + ... + 91854124.
It is an arithmetic number, because the mean of its divisors is an integer number (551124684).
Almost surely, 22020790497 is an apocalyptic number.
It is an amenable number.
2020790497 is a deficient number, since it is larger than the sum of its proper divisors (183708239).
2020790497 is a wasteful number, since it uses less digits than its factorization.
2020790497 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 183708238.
The product of its (nonzero) digits is 63504, while the sum is 40.
The square root of 2020790497 is about 44953.2034119928. The cubic root of 2020790497 is about 1264.2717398406.
The spelling of 2020790497 in words is "two billion, twenty million, seven hundred ninety thousand, four hundred ninety-seven".
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