Base | Representation |
---|---|
bin | 1101000100110001… |
… | …10100001001010001 |
3 | 200010012012111222021 |
4 | 12202120310021101 |
5 | 103333430200304 |
6 | 3120305411441 |
7 | 335642520412 |
oct | 64230641121 |
9 | 20105174867 |
10 | 7019381329 |
11 | 2a822920a4 |
12 | 143a939b81 |
13 | 87b33089c |
14 | 4a8363809 |
15 | 2b1396a54 |
hex | 1a2634251 |
7019381329 has 4 divisors (see below), whose sum is σ = 7032214384. Its totient is φ = 7006548276.
The previous prime is 7019381309. The next prime is 7019381353. The reversal of 7019381329 is 9231839107.
7019381329 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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 7019381329 - 29 = 7019380817 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7019381309) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6415707 + ... + 6416800.
It is an arithmetic number, because the mean of its divisors is an integer number (1758053596).
Almost surely, 27019381329 is an apocalyptic number.
It is an amenable number.
7019381329 is a deficient number, since it is larger than the sum of its proper divisors (12833055).
7019381329 is a wasteful number, since it uses less digits than its factorization.
7019381329 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12833054.
The product of its (nonzero) digits is 81648, while the sum is 43.
The square root of 7019381329 is about 83781.7481853894. The cubic root of 7019381329 is about 1914.6950391406.
The spelling of 7019381329 in words is "seven billion, nineteen million, three hundred eighty-one thousand, three hundred twenty-nine".
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