Base | Representation |
---|---|
bin | 11100000011111100… |
… | …110001000100001101 |
3 | 2212202212212000221111 |
4 | 130003330301010031 |
5 | 443202021013313 |
6 | 21501512332021 |
7 | 2114450356213 |
oct | 340374610415 |
9 | 85685760844 |
10 | 30131032333 |
11 | 11862200616 |
12 | 5a0a9a4011 |
13 | 2ac258271c |
14 | 165b9d6cb3 |
15 | bb53ad43d |
hex | 703f3110d |
30131032333 has 4 divisors (see below), whose sum is σ = 31716876160. Its totient is φ = 28545188508.
The previous prime is 30131032297. The next prime is 30131032381. The reversal of 30131032333 is 33323013103.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 30131032333 - 221 = 30128935181 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 (30131032133) 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, 792921885 + ... + 792921922.
It is an arithmetic number, because the mean of its divisors is an integer number (7929219040).
Almost surely, 230131032333 is an apocalyptic number.
It is an amenable number.
30131032333 is a deficient number, since it is larger than the sum of its proper divisors (1585843827).
30131032333 is a wasteful number, since it uses less digits than its factorization.
30131032333 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1585843826.
The product of its (nonzero) digits is 1458, while the sum is 22.
Adding to 30131032333 its reverse (33323013103), we get a palindrome (63454045436).
The spelling of 30131032333 in words is "thirty billion, one hundred thirty-one million, thirty-two thousand, three hundred thirty-three".
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