Base | Representation |
---|---|
bin | 1001110101111010… |
… | …0110110100001100 |
3 | 20211010110212001201 |
4 | 2131132212310030 |
5 | 20402330434340 |
6 | 1114100115244 |
7 | 122321010442 |
oct | 23536466414 |
9 | 6733425051 |
10 | 2642046220 |
11 | 1136403480 |
12 | 618995b24 |
13 | 3314a4c78 |
14 | 1b0c68b92 |
15 | 106e3879a |
hex | 9d7a6d0c |
2642046220 has 48 divisors (see below), whose sum is σ = 6106308768. Its totient is φ = 952232960.
The previous prime is 2642046181. The next prime is 2642046227. The reversal of 2642046220 is 226402462.
It is not an unprimeable number, because it can be changed into a prime (2642046227) 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, 28279 + ... + 77998.
It is an arithmetic number, because the mean of its divisors is an integer number (127214766).
Almost surely, 22642046220 is an apocalyptic number.
2642046220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2642046220 is an abundant number, since it is smaller than the sum of its proper divisors (3464262548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2642046220 is a wasteful number, since it uses less digits than its factorization.
2642046220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106410 (or 106408 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 28.
The square root of 2642046220 is about 51400.8387091106. The cubic root of 2642046220 is about 1382.4416307119.
Adding to 2642046220 its reverse (226402462), we get a palindrome (2868448682).
The spelling of 2642046220 in words is "two billion, six hundred forty-two million, forty-six thousand, two hundred twenty".
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