Base | Representation |
---|---|
bin | 11100011011011100… |
… | …110101101111010100 |
3 | 2220210100202201112012 |
4 | 130123130311233110 |
5 | 1000003440103202 |
6 | 22004555243352 |
7 | 2130305622350 |
oct | 343334655724 |
9 | 86710681465 |
10 | 30525316052 |
11 | 11a44821830 |
12 | 5abaa49558 |
13 | 2b561721ba |
14 | 1698110460 |
15 | bd9ce3152 |
hex | 71b735bd4 |
30525316052 has 96 divisors (see below), whose sum is σ = 67611801600. Its totient is φ = 11713680000.
The previous prime is 30525316043. The next prime is 30525316067. The reversal of 30525316052 is 25061352503.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6188027 + ... + 6192957.
It is an arithmetic number, because the mean of its divisors is an integer number (704289600).
Almost surely, 230525316052 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30525316052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33805900800).
30525316052 is an abundant number, since it is smaller than the sum of its proper divisors (37086485548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30525316052 is a wasteful number, since it uses less digits than its factorization.
30525316052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5253 (or 5251 counting only the distinct ones).
The product of its (nonzero) digits is 27000, while the sum is 32.
Adding to 30525316052 its reverse (25061352503), we get a palindrome (55586668555).
The spelling of 30525316052 in words is "thirty billion, five hundred twenty-five million, three hundred sixteen thousand, fifty-two".
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