Base | Representation |
---|---|
bin | 11110010010010101101… |
… | …001010010010001101111 |
3 | 21100222010121201102201210 |
4 | 132102111221102101233 |
5 | 233044422322033330 |
6 | 4232042514005503 |
7 | 303236633620323 |
oct | 36222551222157 |
9 | 7328117642653 |
10 | 2081274799215 |
11 | 732733402437 |
12 | 297446876893 |
13 | 12135681c741 |
14 | 72a3ca69983 |
15 | 3921335e8b0 |
hex | 1e495a5246f |
2081274799215 has 32 divisors (see below), whose sum is σ = 3385962233856. Its totient is φ = 1091527073280.
The previous prime is 2081274799187. The next prime is 2081274799229. The reversal of 2081274799215 is 5129974721802.
It is a happy number.
It is not a de Polignac number, because 2081274799215 - 28 = 2081274798959 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4618951 + ... + 5049480.
It is an arithmetic number, because the mean of its divisors is an integer number (105811319808).
Almost surely, 22081274799215 is an apocalyptic number.
2081274799215 is a deficient number, since it is larger than the sum of its proper divisors (1304687434641).
2081274799215 is a wasteful number, since it uses less digits than its factorization.
2081274799215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9668679.
The product of its (nonzero) digits is 5080320, while the sum is 57.
The spelling of 2081274799215 in words is "two trillion, eighty-one billion, two hundred seventy-four million, seven hundred ninety-nine thousand, two hundred fifteen".
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