Base | Representation |
---|---|
bin | 111111111101111… |
… | …0011101111100110 |
3 | 12112120210122111221 |
4 | 1333323303233212 |
5 | 13343433303440 |
6 | 552552250554 |
7 | 104121653560 |
oct | 17773635746 |
9 | 5476718457 |
10 | 2146384870 |
11 | a0163a7a3 |
12 | 4ba9a0a5a |
13 | 2828ab926 |
14 | 1650c2330 |
15 | c867ad4a |
hex | 7fef3be6 |
2146384870 has 16 divisors (see below), whose sum is σ = 4415420448. Its totient is φ = 735903360.
The previous prime is 2146384853. The next prime is 2146384873. The reversal of 2146384870 is 784836412.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2146384873) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15331251 + ... + 15331390.
It is an arithmetic number, because the mean of its divisors is an integer number (275963778).
Almost surely, 22146384870 is an apocalyptic number.
2146384870 is an abundant number, since it is smaller than the sum of its proper divisors (2269035578).
2146384870 is a wasteful number, since it uses less digits than its factorization.
2146384870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30662655.
The product of its (nonzero) digits is 258048, while the sum is 43.
The square root of 2146384870 is about 46329.0931273212. The cubic root of 2146384870 is about 1289.9390773063.
The spelling of 2146384870 in words is "two billion, one hundred forty-six million, three hundred eighty-four thousand, eight hundred seventy".
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