Base | Representation |
---|---|
bin | 1010001111010111… |
… | …1101010000011001 |
3 | 21002120102001220010 |
4 | 2203311331100121 |
5 | 21112200040440 |
6 | 1132432552133 |
7 | 125055450543 |
oct | 24365752031 |
9 | 7076361803 |
10 | 2748830745 |
11 | 1190709251 |
12 | 6486b2649 |
13 | 34a65288b |
14 | 1c1104693 |
15 | 1114cd580 |
hex | a3d7d419 |
2748830745 has 16 divisors (see below), whose sum is σ = 4405560192. Its totient is φ = 1463566080.
The previous prime is 2748830741. The next prime is 2748830753. The reversal of 2748830745 is 5470388472.
It is not a de Polignac number, because 2748830745 - 22 = 2748830741 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2748830694 and 2748830703.
It is not an unprimeable number, because it can be changed into a prime (2748830741) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 145621 + ... + 163410.
It is an arithmetic number, because the mean of its divisors is an integer number (275347512).
Almost surely, 22748830745 is an apocalyptic number.
It is an amenable number.
2748830745 is a deficient number, since it is larger than the sum of its proper divisors (1656729447).
2748830745 is a wasteful number, since it uses less digits than its factorization.
2748830745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 309632.
The product of its (nonzero) digits is 1505280, while the sum is 48.
The square root of 2748830745 is about 52429.2928142274. The cubic root of 2748830745 is about 1400.8210736337.
The spelling of 2748830745 in words is "two billion, seven hundred forty-eight million, eight hundred thirty thousand, seven hundred forty-five".
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