Base | Representation |
---|---|
bin | 111111111110110… |
… | …0101000011011110 |
3 | 12112121200020011120 |
4 | 1333331211003132 |
5 | 13344043131430 |
6 | 553010231410 |
7 | 104125625646 |
oct | 17775450336 |
9 | 5477606146 |
10 | 2146848990 |
11 | a01927470 |
12 | 4bab85566 |
13 | 282a11c60 |
14 | 1651a3526 |
15 | c871d610 |
hex | 7ff650de |
2146848990 has 64 divisors (see below), whose sum is σ = 6053225472. Its totient is φ = 480412800.
The previous prime is 2146848973. The next prime is 2146848997. The reversal of 2146848990 is 998486412.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2146848997) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245926 + ... + 254505.
It is an arithmetic number, because the mean of its divisors is an integer number (94581648).
Almost surely, 22146848990 is an apocalyptic number.
2146848990 is an abundant number, since it is smaller than the sum of its proper divisors (3906376482).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2146848990 is a wasteful number, since it uses less digits than its factorization.
2146848990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 500465.
The product of its (nonzero) digits is 995328, while the sum is 51.
The square root of 2146848990 is about 46334.1018041787. The cubic root of 2146848990 is about 1290.0320465568.
The spelling of 2146848990 in words is "two billion, one hundred forty-six million, eight hundred forty-eight thousand, nine hundred ninety".
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