Base | Representation |
---|---|
bin | 11100011100001010… |
… | …010101011110110110 |
3 | 2220211012012122121100 |
4 | 130130022111132312 |
5 | 1000020013230200 |
6 | 22010103030530 |
7 | 2130512164443 |
oct | 343412253666 |
9 | 86735178540 |
10 | 30537242550 |
11 | 11a50528341 |
12 | 5b02a3b446 |
13 | 2b587898b9 |
14 | 16999369ca |
15 | bdad9bd00 |
hex | 71c2957b6 |
30537242550 has 72 divisors (see below), whose sum is σ = 82384113240. Its totient is φ = 8109446400.
The previous prime is 30537242473. The next prime is 30537242651. The reversal of 30537242550 is 5524273503.
30537242550 is a `hidden beast` number, since 30 + 5 + 3 + 72 + 4 + 2 + 550 = 666.
It is a congruent number.
It is an unprimeable number.
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 35 ways as a sum of consecutive naturals, for example, 32340 + ... + 249239.
It is an arithmetic number, because the mean of its divisors is an integer number (1144223795).
Almost surely, 230537242550 is an apocalyptic number.
30537242550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 30537242550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41192056620).
30537242550 is an abundant number, since it is smaller than the sum of its proper divisors (51846870690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30537242550 is a wasteful number, since it uses less digits than its factorization.
30537242550 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 281838 (or 281830 counting only the distinct ones).
The product of its (nonzero) digits is 126000, while the sum is 36.
The spelling of 30537242550 in words is "thirty billion, five hundred thirty-seven million, two hundred forty-two thousand, five hundred fifty".
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