Base | Representation |
---|---|
bin | 11100101101000001… |
… | …000100111100000011 |
3 | 2221112220022122112120 |
4 | 130231001010330003 |
5 | 1001104411400123 |
6 | 22054124055323 |
7 | 2140514626341 |
oct | 345501047403 |
9 | 87486278476 |
10 | 30820028163 |
11 | 12086114361 |
12 | 5b81694543 |
13 | 2ba223b172 |
14 | 16c5308991 |
15 | c05b0a2e3 |
hex | 72d044f03 |
30820028163 has 8 divisors (see below), whose sum is σ = 42049030848. Its totient is φ = 20068855464.
The previous prime is 30820028147. The next prime is 30820028177. The reversal of 30820028163 is 36182002803.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30820028163 - 24 = 30820028147 is a prime.
It is a super-2 number, since 2×308200281632 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30820028363) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119457345 + ... + 119457602.
It is an arithmetic number, because the mean of its divisors is an integer number (5256128856).
Almost surely, 230820028163 is an apocalyptic number.
30820028163 is a deficient number, since it is larger than the sum of its proper divisors (11229002685).
30820028163 is a wasteful number, since it uses less digits than its factorization.
30820028163 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 238914993.
The product of its (nonzero) digits is 13824, while the sum is 33.
The spelling of 30820028163 in words is "thirty billion, eight hundred twenty million, twenty-eight thousand, one hundred sixty-three".
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