Base | Representation |
---|---|
bin | 1011101010011010… |
… | …0110001110110000 |
3 | 22002011221000221000 |
4 | 2322212212032300 |
5 | 22402423231430 |
6 | 1234353202000 |
7 | 140403225432 |
oct | 27246461660 |
9 | 8064830830 |
10 | 3130680240 |
11 | 1367207446 |
12 | 734560300 |
13 | 3ab7aa81c |
14 | 219b02652 |
15 | 134ca8e60 |
hex | ba9a63b0 |
3130680240 has 80 divisors (see below), whose sum is σ = 10783461600. Its totient is φ = 834847488.
The previous prime is 3130680221. The next prime is 3130680251. The reversal of 3130680240 is 420860313.
It is a happy number.
3130680240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 722535 + ... + 726854.
It is an arithmetic number, because the mean of its divisors is an integer number (134793270).
Almost surely, 23130680240 is an apocalyptic number.
3130680240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
3130680240 is an abundant number, since it is smaller than the sum of its proper divisors (7652781360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3130680240 is a wasteful number, since it uses less digits than its factorization.
3130680240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1449411 (or 1449399 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 3130680240 is about 55952.4819824822. The cubic root of 3130680240 is about 1462.8941528039.
The spelling of 3130680240 in words is "three billion, one hundred thirty million, six hundred eighty thousand, two hundred forty".
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