Base | Representation |
---|---|
bin | 1010001111010110… |
… | …1100101001110100 |
3 | 21002120021121121102 |
4 | 2203311230221310 |
5 | 21112140401430 |
6 | 1132431305232 |
7 | 125055045353 |
oct | 24365545164 |
9 | 7076247542 |
10 | 2748762740 |
11 | 1190672149 |
12 | 64867b218 |
13 | 34a62a939 |
14 | 1c10c799a |
15 | 1114b8345 |
hex | a3d6ca74 |
2748762740 has 12 divisors (see below), whose sum is σ = 5772401796. Its totient is φ = 1099505088.
The previous prime is 2748762733. The next prime is 2748762787. The reversal of 2748762740 is 472678472.
It can be written as a sum of positive squares in 2 ways, for example, as 2050640656 + 698122084 = 45284^2 + 26422^2 .
It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 68719049 + ... + 68719088.
It is an arithmetic number, because the mean of its divisors is an integer number (481033483).
Almost surely, 22748762740 is an apocalyptic number.
2748762740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2748762740 is an abundant number, since it is smaller than the sum of its proper divisors (3023639056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2748762740 is a wasteful number, since it uses less digits than its factorization.
2748762740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137438146 (or 137438144 counting only the distinct ones).
The product of its (nonzero) digits is 1053696, while the sum is 47.
The square root of 2748762740 is about 52428.6442700934. The cubic root of 2748762740 is about 1400.8095216162.
The spelling of 2748762740 in words is "two billion, seven hundred forty-eight million, seven hundred sixty-two thousand, seven hundred forty".
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