Base | Representation |
---|---|
bin | 111101011010011… |
… | …100000011000101 |
3 | 2122210202201212120 |
4 | 331122130003011 |
5 | 4102231401210 |
6 | 250123440153 |
7 | 34350516024 |
oct | 7532340305 |
9 | 2583681776 |
10 | 1030340805 |
11 | 48966732a |
12 | 249086059 |
13 | 135601320 |
14 | 9aba88bb |
15 | 606c6270 |
hex | 3d69c0c5 |
1030340805 has 32 divisors (see below), whose sum is σ = 1777923840. Its totient is φ = 506511360.
The previous prime is 1030340803. The next prime is 1030340809. The reversal of 1030340805 is 5080430301.
1030340805 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1030340805 - 21 = 1030340803 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030340803) 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, 146520 + ... + 153390.
It is an arithmetic number, because the mean of its divisors is an integer number (55560120).
Almost surely, 21030340805 is an apocalyptic number.
1030340805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1030340805 is a deficient number, since it is larger than the sum of its proper divisors (747583035).
1030340805 is a wasteful number, since it uses less digits than its factorization.
1030340805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7661.
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 1030340805 is about 32098.9221781667. The cubic root of 1030340805 is about 1010.0130067272.
The spelling of 1030340805 in words is "one billion, thirty million, three hundred forty thousand, eight hundred five".
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