Base | Representation |
---|---|
bin | 111111111011010… |
… | …1110001010010110 |
3 | 12112111021220011221 |
4 | 1333312232022112 |
5 | 13343113120121 |
6 | 552503520554 |
7 | 104104430560 |
oct | 17766561226 |
9 | 5474256157 |
10 | 2145051286 |
11 | a00909864 |
12 | 4ba45915a |
13 | 282532921 |
14 | 164c56330 |
15 | c84b5b41 |
hex | 7fdae296 |
2145051286 has 16 divisors (see below), whose sum is σ = 3680722080. Its totient is φ = 918434880.
The previous prime is 2145051263. The next prime is 2145051317. The reversal of 2145051286 is 6821505412.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57351 + ... + 87058.
It is an arithmetic number, because the mean of its divisors is an integer number (230045130).
Almost surely, 22145051286 is an apocalyptic number.
2145051286 is a deficient number, since it is larger than the sum of its proper divisors (1535670794).
2145051286 is a wasteful number, since it uses less digits than its factorization.
2145051286 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145479.
The product of its (nonzero) digits is 19200, while the sum is 34.
The square root of 2145051286 is about 46314.6983796721. The cubic root of 2145051286 is about 1289.6718685479.
Adding to 2145051286 its reverse (6821505412), we get a palindrome (8966556698).
The spelling of 2145051286 in words is "two billion, one hundred forty-five million, fifty-one thousand, two hundred eighty-six".
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