Base | Representation |
---|---|
bin | 11100010101110101… |
… | …001101100111110001 |
3 | 2220112210101002212212 |
4 | 130111311031213301 |
5 | 444310321321113 |
6 | 21551350501505 |
7 | 2125052406110 |
oct | 342565154761 |
9 | 86483332785 |
10 | 30431042033 |
11 | 119a6591317 |
12 | 5a93364895 |
13 | 2b3c784a62 |
14 | 16897adc77 |
15 | bd18c00a8 |
hex | 715d4d9f1 |
30431042033 has 8 divisors (see below), whose sum is σ = 35977586880. Its totient is φ = 25184310480.
The previous prime is 30431042011. The next prime is 30431042039. The reversal of 30431042033 is 33024013403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30431042033 - 210 = 30431041009 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30431042039) 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, 74953103 + ... + 74953508.
It is an arithmetic number, because the mean of its divisors is an integer number (4497198360).
Almost surely, 230431042033 is an apocalyptic number.
It is an amenable number.
30431042033 is a deficient number, since it is larger than the sum of its proper divisors (5546544847).
30431042033 is a wasteful number, since it uses less digits than its factorization.
30431042033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149906647.
The product of its (nonzero) digits is 2592, while the sum is 23.
Adding to 30431042033 its reverse (33024013403), we get a palindrome (63455055436).
The spelling of 30431042033 in words is "thirty billion, four hundred thirty-one million, forty-two thousand, thirty-three".
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