Search a number
-
+
6429812019 = 38243260011
BaseRepresentation
bin1011111110011111…
…10010010100110011
3121121002211021220220
411333033302110303
5101132012441034
62542005104123
7315223333431
oct57717622463
917532737826
106429812019
1127aa508a34
1212b53b8043
137b61478c7
1444dd33d51
15279739749
hex17f3f2533

6429812019 has 8 divisors (see below), whose sum is σ = 8574155712. Its totient is φ = 4286004840.

The previous prime is 6429811979. The next prime is 6429812023. The reversal of 6429812019 is 9102189246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6429812019 - 217 = 6429680947 is a prime.

It is a super-2 number, since 2×64298120192 = 82684965199353712722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6429812119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105277 + ... + 154734.

It is an arithmetic number, because the mean of its divisors is an integer number (1071769464).

Almost surely, 26429812019 is an apocalyptic number.

6429812019 is a deficient number, since it is larger than the sum of its proper divisors (2144343693).

6429812019 is a wasteful number, since it uses less digits than its factorization.

6429812019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268257.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 6429812019 is about 80186.1086410857. The cubic root of 6429812019 is about 1859.5138841208.

The spelling of 6429812019 in words is "six billion, four hundred twenty-nine million, eight hundred twelve thousand, nineteen".

Divisors: 1 3 8243 24729 260011 780033 2143270673 6429812019