Base | Representation |
---|---|
bin | 1010001111010110… |
… | …0101110111001000 |
3 | 21002120020012110001 |
4 | 2203311211313020 |
5 | 21112134004140 |
6 | 1132430532344 |
7 | 125054601301 |
oct | 24365456710 |
9 | 7076205401 |
10 | 2748734920 |
11 | 1190653258 |
12 | 6486670b4 |
13 | 34a61b089 |
14 | 1c10bb7a8 |
15 | 1114aee9a |
hex | a3d65dc8 |
2748734920 has 16 divisors (see below), whose sum is σ = 6184653660. Its totient is φ = 1099493952.
The previous prime is 2748734917. The next prime is 2748734929. The reversal of 2748734920 is 294378472.
It can be written as a sum of positive squares in 2 ways, for example, as 2681789796 + 66945124 = 51786^2 + 8182^2 .
It is not an unprimeable number, because it can be changed into a prime (2748734929) 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 3 ways as a sum of consecutive naturals, for example, 34359147 + ... + 34359226.
Almost surely, 22748734920 is an apocalyptic number.
2748734920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2748734920 is an abundant number, since it is smaller than the sum of its proper divisors (3435918740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2748734920 is a wasteful number, since it uses less digits than its factorization.
2748734920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68718384 (or 68718380 counting only the distinct ones).
The product of its (nonzero) digits is 677376, while the sum is 46.
The square root of 2748734920 is about 52428.3789564392. The cubic root of 2748734920 is about 1400.8047957746.
The spelling of 2748734920 in words is "two billion, seven hundred forty-eight million, seven hundred thirty-four thousand, nine hundred twenty".
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