Base | Representation |
---|---|
bin | 1101111011101011… |
… | …11100000011101011 |
3 | 201022021221102000201 |
4 | 12331311330003223 |
5 | 110304340010442 |
6 | 3234122213031 |
7 | 353234646232 |
oct | 67565740353 |
9 | 21267842021 |
10 | 7480000747 |
11 | 31992a12aa |
12 | 1549054177 |
13 | 9228a805b |
14 | 50d5c7b19 |
15 | 2dba317b7 |
hex | 1bdd7c0eb |
7480000747 has 4 divisors (see below), whose sum is σ = 7487850600. Its totient is φ = 7472150896.
The previous prime is 7480000739. The next prime is 7480000777. The reversal of 7480000747 is 7470000847.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7470000847 = 46507 ⋅160621.
It is a cyclic number.
It is not a de Polignac number, because 7480000747 - 23 = 7480000739 is a prime.
It is a super-2 number, since 2×74800007472 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7480000727) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3923497 + ... + 3925402.
It is an arithmetic number, because the mean of its divisors is an integer number (1871962650).
Almost surely, 27480000747 is an apocalyptic number.
7480000747 is a deficient number, since it is larger than the sum of its proper divisors (7849853).
7480000747 is an equidigital number, since it uses as much as digits as its factorization.
7480000747 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7849852.
The product of its (nonzero) digits is 43904, while the sum is 37.
The square root of 7480000747 is about 86486.9975603270. The cubic root of 7480000747 is about 1955.6923956034.
The spelling of 7480000747 in words is "seven billion, four hundred eighty million, seven hundred forty-seven", and thus it is an aban number.
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