Base | Representation |
---|---|
bin | 11100001011000111… |
… | …101010111110110000 |
3 | 2220002021012212101100 |
4 | 130023013222332300 |
5 | 443423320102004 |
6 | 21521451004400 |
7 | 2120441034522 |
oct | 341307527660 |
9 | 86067185340 |
10 | 30251331504 |
11 | 119140a7119 |
12 | 5a43139700 |
13 | 2b11482874 |
14 | 166d98da12 |
15 | bc0c22739 |
hex | 70b1eafb0 |
30251331504 has 60 divisors (see below), whose sum is σ = 84963113352. Its totient is φ = 10047878400.
The previous prime is 30251331503. The next prime is 30251331511. The reversal of 30251331504 is 40513315203.
30251331504 is a `hidden beast` number, since 3 + 0 + 25 + 133 + 1 + 504 = 666.
It is not an unprimeable number, because it can be changed into a prime (30251331503) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333342 + ... + 414269.
Almost surely, 230251331504 is an apocalyptic number.
It is an amenable number.
30251331504 is an abundant number, since it is smaller than the sum of its proper divisors (54711781848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30251331504 is a wasteful number, since it uses less digits than its factorization.
30251331504 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 747906 (or 747897 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
Adding to 30251331504 its reverse (40513315203), we get a palindrome (70764646707).
The spelling of 30251331504 in words is "thirty billion, two hundred fifty-one million, three hundred thirty-one thousand, five hundred four".
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