Base | Representation |
---|---|
bin | 11100101011101010… |
… | …111010110000010000 |
3 | 2221111022211011020101 |
4 | 130223222322300100 |
5 | 1001033121121224 |
6 | 22052000022144 |
7 | 2140121636554 |
oct | 345352726020 |
9 | 87438734211 |
10 | 30797442064 |
11 | 12074398064 |
12 | 5b76001954 |
13 | 2b9a6608cc |
14 | 16c2309864 |
15 | c03b48044 |
hex | 72babac10 |
30797442064 has 45 divisors (see below), whose sum is σ = 60599469879. Its totient is φ = 15162508800.
The previous prime is 30797442059. The next prime is 30797442113. The reversal of 30797442064 is 46024479703.
The square root of 30797442064 is 175492.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 5646019600 + 25151422464 = 75140^2 + 158592^2 .
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 51243364 + ... + 51243964.
Almost surely, 230797442064 is an apocalyptic number.
30797442064 is the 175492-nd square number.
It is an amenable number.
30797442064 is a deficient number, since it is larger than the sum of its proper divisors (29802027815).
30797442064 is an frugal number, since it uses more digits than its factorization.
30797442064 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1356 (or 676 counting only the distinct ones).
The product of its (nonzero) digits is 1016064, while the sum is 46.
The spelling of 30797442064 in words is "thirty billion, seven hundred ninety-seven million, four hundred forty-two thousand, sixty-four".
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