Base | Representation |
---|---|
bin | 111100110011110… |
… | …011001111111011 |
3 | 2122002201011001202 |
4 | 330303303033323 |
5 | 4042133242334 |
6 | 245122404415 |
7 | 34165442435 |
oct | 7463631773 |
9 | 2562634052 |
10 | 1020212219 |
11 | 4839795a4 |
12 | 24580070b |
13 | 133496090 |
14 | 996cd655 |
15 | 5e87517e |
hex | 3ccf33fb |
1020212219 has 32 divisors (see below), whose sum is σ = 1170484224. Its totient is φ = 882161280.
The previous prime is 1020212213. The next prime is 1020212233. The reversal of 1020212219 is 9122120201.
It is a happy number.
It is not a de Polignac number, because 1020212219 - 24 = 1020212203 is a prime.
It is a super-2 number, since 2×10202122192 = 2081665943593807922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1020212219.
It is not an unprimeable number, because it can be changed into a prime (1020212213) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4835024 + ... + 4835234.
It is an arithmetic number, because the mean of its divisors is an integer number (36577632).
Almost surely, 21020212219 is an apocalyptic number.
1020212219 is a deficient number, since it is larger than the sum of its proper divisors (150272005).
1020212219 is a wasteful number, since it uses less digits than its factorization.
1020212219 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 507.
The product of its (nonzero) digits is 144, while the sum is 20.
The square root of 1020212219 is about 31940.7610898676. The cubic root of 1020212219 is about 1006.6925166356.
The spelling of 1020212219 in words is "one billion, twenty million, two hundred twelve thousand, two hundred nineteen".
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