Base | Representation |
---|---|
bin | 100110110011011… |
… | …0110101010010001 |
3 | 10100202000000202010 |
4 | 1031212312222101 |
5 | 10131304442433 |
6 | 333111013133 |
7 | 44160036504 |
oct | 11546665221 |
9 | 3322000663 |
10 | 1302030993 |
11 | 608a6517a |
12 | 30406a1a9 |
13 | 179999553 |
14 | c4ccd13b |
15 | 79491e63 |
hex | 4d9b6a91 |
1302030993 has 32 divisors (see below), whose sum is σ = 1862479360. Its totient is φ = 806682240.
The previous prime is 1302030959. The next prime is 1302031007. The reversal of 1302030993 is 3990302031.
It is not a de Polignac number, because 1302030993 - 210 = 1302029969 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1302030993.
It is not an unprimeable number, because it can be changed into a prime (1302030923) 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, 877230 + ... + 878712.
It is an arithmetic number, because the mean of its divisors is an integer number (58202480).
Almost surely, 21302030993 is an apocalyptic number.
It is an amenable number.
1302030993 is a deficient number, since it is larger than the sum of its proper divisors (560448367).
1302030993 is a wasteful number, since it uses less digits than its factorization.
1302030993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1789.
The product of its (nonzero) digits is 4374, while the sum is 30.
The square root of 1302030993 is about 36083.6665681302. Note that the first 3 decimals coincide. The cubic root of 1302030993 is about 1091.9609492066.
The spelling of 1302030993 in words is "one billion, three hundred two million, thirty thousand, nine hundred ninety-three".
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