Base | Representation |
---|---|
bin | 111110001011001… |
… | …101111110000011 |
3 | 2200200211101212121 |
4 | 332023031332003 |
5 | 4114020100240 |
6 | 251301505111 |
7 | 34564305034 |
oct | 7613157603 |
9 | 2620741777 |
10 | 1043128195 |
11 | 49590071a |
12 | 251412197 |
13 | 13815a825 |
14 | 9c776a8b |
15 | 618a004a |
hex | 3e2cdf83 |
1043128195 has 4 divisors (see below), whose sum is σ = 1251753840. Its totient is φ = 834502552.
The previous prime is 1043128193. The next prime is 1043128217. The reversal of 1043128195 is 5918213401.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5918213401 = 47681 ⋅124121.
It is a cyclic number.
It is not a de Polignac number, because 1043128195 - 21 = 1043128193 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1043128195.
It is not an unprimeable number, because it can be changed into a prime (1043128193) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104312815 + ... + 104312824.
It is an arithmetic number, because the mean of its divisors is an integer number (312938460).
Almost surely, 21043128195 is an apocalyptic number.
1043128195 is a deficient number, since it is larger than the sum of its proper divisors (208625645).
1043128195 is an equidigital number, since it uses as much as digits as its factorization.
1043128195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 208625644.
The product of its (nonzero) digits is 8640, while the sum is 34.
The square root of 1043128195 is about 32297.4951815152. The cubic root of 1043128195 is about 1014.1742076009.
The spelling of 1043128195 in words is "one billion, forty-three million, one hundred twenty-eight thousand, one hundred ninety-five".
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