Base | Representation |
---|---|
bin | 11101111011000110… |
… | …01110100111110011 |
3 | 1112110121012010001221 |
4 | 32331203032213303 |
5 | 230400121440033 |
6 | 11214041205511 |
7 | 1106051336014 |
oct | 167543164763 |
9 | 45417163057 |
10 | 16065030643 |
11 | 68a4322332 |
12 | 3144190897 |
13 | 16903a4bbc |
14 | ac585d00b |
15 | 64058e12d |
hex | 3bd8ce9f3 |
16065030643 has 4 divisors (see below), whose sum is σ = 16102304928. Its totient is φ = 16027756360.
The previous prime is 16065030601. The next prime is 16065030691. The reversal of 16065030643 is 34603056061.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34603056061 = 7 ⋅4943293723.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-16065030643 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 16065030599 and 16065030608.
It is not an unprimeable number, because it can be changed into a prime (16065070643) 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, 18636496 + ... + 18637357.
It is an arithmetic number, because the mean of its divisors is an integer number (4025576232).
Almost surely, 216065030643 is an apocalyptic number.
16065030643 is a deficient number, since it is larger than the sum of its proper divisors (37274285).
16065030643 is an equidigital number, since it uses as much as digits as its factorization.
16065030643 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37274284.
The product of its (nonzero) digits is 38880, while the sum is 34.
The spelling of 16065030643 in words is "sixteen billion, sixty-five million, thirty thousand, six hundred forty-three".
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