Base | Representation |
---|---|
bin | 111101011001001… |
… | …011110101110110 |
3 | 2122210011001012220 |
4 | 331121023311312 |
5 | 4102140343103 |
6 | 250112423210 |
7 | 34344650151 |
oct | 7531136566 |
9 | 2583131186 |
10 | 1030012278 |
11 | 489462519 |
12 | 248b47b06 |
13 | 135517929 |
14 | 9ab20c98 |
15 | 6065dc53 |
hex | 3d64bd76 |
1030012278 has 16 divisors (see below), whose sum is σ = 2060342256. Its totient is φ = 343284480.
The previous prime is 1030012189. The next prime is 1030012279. The reversal of 1030012278 is 8722100301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030012279) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60558 + ... + 75678.
It is an arithmetic number, because the mean of its divisors is an integer number (128771391).
Almost surely, 21030012278 is an apocalyptic number.
1030012278 is an abundant number, since it is smaller than the sum of its proper divisors (1030329978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1030012278 is a wasteful number, since it uses less digits than its factorization.
1030012278 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26479.
The product of its (nonzero) digits is 672, while the sum is 24.
The square root of 1030012278 is about 32093.8043553581. The cubic root of 1030012278 is about 1009.9056468406.
Adding to 1030012278 its reverse (8722100301), we get a palindrome (9752112579).
It can be divided in two parts, 10300 and 12278, that added together give a triangular number (22578 = T212).
The spelling of 1030012278 in words is "one billion, thirty million, twelve thousand, two hundred seventy-eight".
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