Base | Representation |
---|---|
bin | 11011111100110111… |
… | …000110111101001110 |
3 | 2212110121002002021121 |
4 | 123330313012331032 |
5 | 442431044433442 |
6 | 21442023351154 |
7 | 2111504466646 |
oct | 337467067516 |
9 | 85417062247 |
10 | 30012108622 |
11 | 11801064461 |
12 | 5996bb24ba |
13 | 2aa3a44672 |
14 | 1649cbb526 |
15 | ba9c1b967 |
hex | 6fcdc6f4e |
30012108622 has 4 divisors (see below), whose sum is σ = 45018162936. Its totient is φ = 15006054310.
The previous prime is 30012108619. The next prime is 30012108631. The reversal of 30012108622 is 22680121003.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7503027154 + ... + 7503027157.
It is an arithmetic number, because the mean of its divisors is an integer number (11254540734).
Almost surely, 230012108622 is an apocalyptic number.
30012108622 is a deficient number, since it is larger than the sum of its proper divisors (15006054314).
30012108622 is a wasteful number, since it uses less digits than its factorization.
30012108622 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15006054313.
The product of its (nonzero) digits is 1152, while the sum is 25.
Adding to 30012108622 its reverse (22680121003), we get a palindrome (52692229625).
The spelling of 30012108622 in words is "thirty billion, twelve million, one hundred eight thousand, six hundred twenty-two".
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