Base | Representation |
---|---|
bin | 1101101001110110… |
… | …01101011111010000 |
3 | 200220212102021210220 |
4 | 12310323031133100 |
5 | 110003034403140 |
6 | 3211215353040 |
7 | 346440161232 |
oct | 66473153720 |
9 | 20825367726 |
10 | 7330387920 |
11 | 31218a3a39 |
12 | 1506b22780 |
13 | 8ca8b345b |
14 | 4d77a0252 |
15 | 2cd82bbd0 |
hex | 1b4ecd7d0 |
7330387920 has 80 divisors (see below), whose sum is σ = 22742562240. Its totient is φ = 1953190912.
The previous prime is 7330387907. The next prime is 7330387943. The reversal of 7330387920 is 297830337.
It is a tau number, because it is divible by the number of its divisors (80).
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 15 ways as a sum of consecutive naturals, for example, 301996 + ... + 325364.
It is an arithmetic number, because the mean of its divisors is an integer number (284282028).
Almost surely, 27330387920 is an apocalyptic number.
It is an amenable number.
7330387920 is an abundant number, since it is smaller than the sum of its proper divisors (15412174320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7330387920 is a wasteful number, since it uses less digits than its factorization.
7330387920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24692 (or 24686 counting only the distinct ones).
The product of its (nonzero) digits is 190512, while the sum is 42.
The square root of 7330387920 is about 85617.6846218116. The cubic root of 7330387920 is about 1942.5654160559.
The spelling of 7330387920 in words is "seven billion, three hundred thirty million, three hundred eighty-seven thousand, nine hundred twenty".
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