Base | Representation |
---|---|
bin | 11100110001111111… |
… | …100101111101100111 |
3 | 2221202201102201222021 |
4 | 130301333211331213 |
5 | 1001242300301343 |
6 | 22110305444011 |
7 | 2142550426114 |
oct | 346177457547 |
9 | 87681381867 |
10 | 30903525223 |
11 | 1211926399a |
12 | 5ba5640607 |
13 | 2bb66241cc |
14 | 16d244190b |
15 | c0d1000ed |
hex | 731fe5f67 |
30903525223 has 4 divisors (see below), whose sum is σ = 30909527568. Its totient is φ = 30897522880.
The previous prime is 30903525203. The next prime is 30903525239. The reversal of 30903525223 is 32252530903.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32252530903 = 76261 ⋅422923.
It is a cyclic number.
It is not a de Polignac number, because 30903525223 - 29 = 30903524711 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30903525203) 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, 2993443 + ... + 3003748.
It is an arithmetic number, because the mean of its divisors is an integer number (7727381892).
Almost surely, 230903525223 is an apocalyptic number.
30903525223 is a deficient number, since it is larger than the sum of its proper divisors (6002345).
30903525223 is an equidigital number, since it uses as much as digits as its factorization.
30903525223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6002344.
The product of its (nonzero) digits is 48600, while the sum is 34.
The spelling of 30903525223 in words is "thirty billion, nine hundred three million, five hundred twenty-five thousand, two hundred twenty-three".
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