Base | Representation |
---|---|
bin | 111100001100101… |
… | …1101001101011010 |
3 | 12012202212112121120 |
4 | 1320121131031122 |
5 | 13114101023122 |
6 | 532234150110 |
7 | 101025125313 |
oct | 17031351532 |
9 | 5182775546 |
10 | 2019939162 |
11 | 94722620a |
12 | 484582336 |
13 | 262638b97 |
14 | 1523a960a |
15 | bc50075c |
hex | 7865d35a |
2019939162 has 16 divisors (see below), whose sum is σ = 4040826912. Its totient is φ = 673154960.
The previous prime is 2019939161. The next prime is 2019939179. The reversal of 2019939162 is 2619399102.
It is a Smith number, since the sum of its digits (42) 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 (2019939161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10164 + ... + 64367.
It is an arithmetic number, because the mean of its divisors is an integer number (252551682).
Almost surely, 22019939162 is an apocalyptic number.
2019939162 is an abundant number, since it is smaller than the sum of its proper divisors (2020887750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2019939162 is a wasteful number, since it uses less digits than its factorization.
2019939162 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79053.
The product of its (nonzero) digits is 52488, while the sum is 42.
The square root of 2019939162 is about 44943.7332895255. The cubic root of 2019939162 is about 1264.0941740208.
The spelling of 2019939162 in words is "two billion, nineteen million, nine hundred thirty-nine thousand, one hundred sixty-two".
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