Base | Representation |
---|---|
bin | 11100101001000010… |
… | …000010010011010011 |
3 | 2221101020111221021010 |
4 | 130221002002103103 |
5 | 1000440302430033 |
6 | 22043335102003 |
7 | 2136043431426 |
oct | 345102022323 |
9 | 87336457233 |
10 | 30753170643 |
11 | 120513aa308 |
12 | 5b63211903 |
13 | 2b9142cac0 |
14 | 16ba4a39bd |
15 | beed00863 |
hex | 7290824d3 |
30753170643 has 8 divisors (see below), whose sum is σ = 44158398928. Its totient is φ = 18925028064.
The previous prime is 30753170599. The next prime is 30753170683. The reversal of 30753170643 is 34607135703.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30753170643 - 210 = 30753169619 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 788542837 = 30753170643 / (3 + 0 + 7 + 5 + 3 + 1 + 7 + 0 + 6 + 4 + 3).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30753170683) 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, 394271380 + ... + 394271457.
It is an arithmetic number, because the mean of its divisors is an integer number (5519799866).
Almost surely, 230753170643 is an apocalyptic number.
30753170643 is a deficient number, since it is larger than the sum of its proper divisors (13405228285).
30753170643 is a wasteful number, since it uses less digits than its factorization.
30753170643 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 788542853.
The product of its (nonzero) digits is 158760, while the sum is 39.
The spelling of 30753170643 in words is "thirty billion, seven hundred fifty-three million, one hundred seventy thousand, six hundred forty-three".
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