Base | Representation |
---|---|
bin | 1000000000100000… |
… | …1010001000001101 |
3 | 12112210220010102012 |
4 | 2000020022020031 |
5 | 13400300403120 |
6 | 553145511005 |
7 | 104161326236 |
oct | 20010121015 |
9 | 5483803365 |
10 | 2149622285 |
11 | a03451048 |
12 | 4bbaa2465 |
13 | 283473365 |
14 | 1656c608d |
15 | c8aba1c5 |
hex | 8020a20d |
2149622285 has 16 divisors (see below), whose sum is σ = 2716968960. Its totient is φ = 1628193600.
The previous prime is 2149622231. The next prime is 2149622287. The reversal of 2149622285 is 5822269412.
It is a happy number.
It is not a de Polignac number, because 2149622285 - 28 = 2149622029 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2149622287) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174644 + ... + 186546.
It is an arithmetic number, because the mean of its divisors is an integer number (169810560).
Almost surely, 22149622285 is an apocalyptic number.
It is an amenable number.
2149622285 is a deficient number, since it is larger than the sum of its proper divisors (567346675).
2149622285 is a wasteful number, since it uses less digits than its factorization.
2149622285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13828.
The product of its digits is 138240, while the sum is 41.
The square root of 2149622285 is about 46364.0192929819. The cubic root of 2149622285 is about 1290.5872944289.
The spelling of 2149622285 in words is "two billion, one hundred forty-nine million, six hundred twenty-two thousand, two hundred eighty-five".
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