Base | Representation |
---|---|
bin | 11100100100000100… |
… | …010111100011000001 |
3 | 2221011102211010202101 |
4 | 130210010113203001 |
5 | 1000302443131443 |
6 | 22031202150401 |
7 | 2134012546021 |
oct | 344404274301 |
9 | 87142733671 |
10 | 30669895873 |
11 | 120093a1791 |
12 | 5b3b352401 |
13 | 2b7a0c3ca6 |
14 | 16ad3c7a81 |
15 | be785184d |
hex | 7241178c1 |
30669895873 has 4 divisors (see below), whose sum is σ = 30676088020. Its totient is φ = 30663703728.
The previous prime is 30669895801. The next prime is 30669895901. The reversal of 30669895873 is 37859896603.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 20275481664 + 10394414209 = 142392^2 + 101953^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30669895873 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30669895573) 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, 3088638 + ... + 3098551.
It is an arithmetic number, because the mean of its divisors is an integer number (7669022005).
Almost surely, 230669895873 is an apocalyptic number.
It is an amenable number.
30669895873 is a deficient number, since it is larger than the sum of its proper divisors (6192147).
30669895873 is an equidigital number, since it uses as much as digits as its factorization.
30669895873 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6192146.
The product of its (nonzero) digits is 58786560, while the sum is 64.
The spelling of 30669895873 in words is "thirty billion, six hundred sixty-nine million, eight hundred ninety-five thousand, eight hundred seventy-three".
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