Base | Representation |
---|---|
bin | 111100110000000… |
… | …111100111001001 |
3 | 2122000220010002201 |
4 | 330300013213021 |
5 | 4041411401144 |
6 | 245050000201 |
7 | 34154312512 |
oct | 7460074711 |
9 | 2560803081 |
10 | 1019247049 |
11 | 48337a437 |
12 | 245416061 |
13 | 133218982 |
14 | 9951ba09 |
15 | 5e7341d4 |
hex | 3cc079c9 |
1019247049 has 8 divisors (see below), whose sum is σ = 1022528808. Its totient is φ = 1015971840.
The previous prime is 1019247043. The next prime is 1019247143. The reversal of 1019247049 is 9407429101.
1019247049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 368640000 + 650607049 = 19200^2 + 25507^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1019247049 - 23 = 1019247041 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1019246999 and 1019247017.
It is not an unprimeable number, because it can be changed into a prime (1019247041) 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, 599769 + ... + 601465.
It is an arithmetic number, because the mean of its divisors is an integer number (127816101).
Almost surely, 21019247049 is an apocalyptic number.
It is an amenable number.
1019247049 is a deficient number, since it is larger than the sum of its proper divisors (3281759).
1019247049 is an equidigital number, since it uses as much as digits as its factorization.
1019247049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3275.
The product of its (nonzero) digits is 18144, while the sum is 37.
The square root of 1019247049 is about 31925.6487639641. The cubic root of 1019247049 is about 1006.3749565692.
It can be divided in two parts, 101 and 9247049, that added together give a triangular number (9247150 = T4300).
The spelling of 1019247049 in words is "one billion, nineteen million, two hundred forty-seven thousand, forty-nine".
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