Base | Representation |
---|---|
bin | 1000010001000100… |
… | …1010001101010001 |
3 | 12201122121111021000 |
4 | 2010101022031101 |
5 | 14021041401034 |
6 | 1004110452213 |
7 | 105663650250 |
oct | 20421121521 |
9 | 5648544230 |
10 | 2219090769 |
11 | a39689815 |
12 | 51b204069 |
13 | 294986c7c |
14 | 170a0a797 |
15 | cec3d599 |
hex | 8444a351 |
2219090769 has 32 divisors (see below), whose sum is σ = 3954944000. Its totient is φ = 1201310352.
The previous prime is 2219090747. The next prime is 2219090773. The reversal of 2219090769 is 9670909122.
It is not a de Polignac number, because 2219090769 - 25 = 2219090737 is a prime.
It is a super-2 number, since 2×22190907692 = 9848727682122022722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2219091769) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305389 + ... + 312570.
It is an arithmetic number, because the mean of its divisors is an integer number (123592000).
Almost surely, 22219090769 is an apocalyptic number.
It is an amenable number.
2219090769 is a deficient number, since it is larger than the sum of its proper divisors (1735853231).
2219090769 is a wasteful number, since it uses less digits than its factorization.
2219090769 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 617994 (or 617988 counting only the distinct ones).
The product of its (nonzero) digits is 122472, while the sum is 45.
The square root of 2219090769 is about 47107.2262927887. The cubic root of 2219090769 is about 1304.3426310006.
The spelling of 2219090769 in words is "two billion, two hundred nineteen million, ninety thousand, seven hundred sixty-nine".
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