Base | Representation |
---|---|
bin | 11100101000101011… |
… | …010000100000000000 |
3 | 2221100211021120101020 |
4 | 130220223100200000 |
5 | 1000432240340423 |
6 | 22043003105440 |
7 | 2135641612005 |
oct | 345053204000 |
9 | 87324246336 |
10 | 30747199488 |
11 | 12048aa1075 |
12 | 5b61212280 |
13 | 2b9011bc85 |
14 | 16b978b8ac |
15 | bee5214e3 |
hex | 728ad0800 |
30747199488 has 96 divisors (see below), whose sum is σ = 82174135680. Its totient is φ = 10223861760.
The previous prime is 30747199477. The next prime is 30747199501. The reversal of 30747199488 is 88499174703.
It is a tau number, because it is divible by the number of its divisors (96).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2580681 + ... + 2592567.
It is an arithmetic number, because the mean of its divisors is an integer number (855980580).
Almost surely, 230747199488 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 30747199488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41087067840).
30747199488 is an abundant number, since it is smaller than the sum of its proper divisors (51426936192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30747199488 is a wasteful number, since it uses less digits than its factorization.
30747199488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12333 (or 12313 counting only the distinct ones).
The product of its (nonzero) digits is 12192768, while the sum is 60.
The spelling of 30747199488 in words is "thirty billion, seven hundred forty-seven million, one hundred ninety-nine thousand, four hundred eighty-eight".
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