Base | Representation |
---|---|
bin | 111111111101100101010100… |
… | …111011001110001111111111 |
3 | 1100220000212102202121110102222 |
4 | 333331211110323032033333 |
5 | 243332431110314001434 |
6 | 2434143305032235555 |
7 | 113152616505232163 |
oct | 7775452473161777 |
9 | 1326025382543388 |
10 | 281308897797119 |
11 | 816a748510a315 |
12 | 2767367083bbbb |
13 | c0c741376342a |
14 | 4d675cd772ca3 |
15 | 227c753b3c72e |
hex | ffd954ece3ff |
281308897797119 has 16 divisors (see below), whose sum is σ = 294198601245120. Its totient is φ = 268474777190400.
The previous prime is 281308897797101. The next prime is 281308897797157. The reversal of 281308897797119 is 911797798803182.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-281308897797119 is a prime.
It is a super-2 number, since 2×2813088977971192 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (281308897797419) 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, 10630319 + ... + 25992719.
It is an arithmetic number, because the mean of its divisors is an integer number (18387412577820).
Almost surely, 2281308897797119 is an apocalyptic number.
281308897797119 is a deficient number, since it is larger than the sum of its proper divisors (12889703448001).
281308897797119 is a wasteful number, since it uses less digits than its factorization.
281308897797119 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15364210.
The product of its (nonzero) digits is 768144384, while the sum is 80.
The spelling of 281308897797119 in words is "two hundred eighty-one trillion, three hundred eight billion, eight hundred ninety-seven million, seven hundred ninety-seven thousand, one hundred nineteen".
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