Base | Representation |
---|---|
bin | 11100001111111010… |
… | …010000000000000000 |
3 | 2220021212102222010200 |
4 | 130033322100000000 |
5 | 444104403333300 |
6 | 21533441325200 |
7 | 2122435121625 |
oct | 341772200000 |
9 | 86255388120 |
10 | 30331699200 |
11 | 119554a9600 |
12 | 5a66036800 |
13 | 2b2501140a |
14 | 167a51034c |
15 | bc7cea200 |
hex | 70fe90000 |
30331699200 has 918 divisors, whose sum is σ = 126454941522. Its totient is φ = 6920601600.
The previous prime is 30331699187. The next prime is 30331699247. The reversal of 30331699200 is 299613303.
It is a happy number.
30331699200 is a `hidden beast` number, since 30 + 331 + 6 + 99 + 200 = 666.
It can be written as a sum of positive squares in 3 ways, for example, as 4567597056 + 25764102144 = 67584^2 + 160512^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1784217592 + ... + 1784217608.
Almost surely, 230331699200 is an apocalyptic number.
30331699200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30331699200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63227470761).
30331699200 is an abundant number, since it is smaller than the sum of its proper divisors (96123242322).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30331699200 is a wasteful number, since it uses less digits than its factorization.
30331699200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87 (or 38 counting only the distinct ones).
The product of its (nonzero) digits is 26244, while the sum is 36.
The spelling of 30331699200 in words is "thirty billion, three hundred thirty-one million, six hundred ninety-nine thousand, two hundred".
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