Base | Representation |
---|---|
bin | 1000001011101010111… |
… | …00011100111101000101 |
3 | 222212200100122202011211 |
4 | 10011311130130331011 |
5 | 14101240134022031 |
6 | 333053323531421 |
7 | 26211664224652 |
oct | 4056534347505 |
9 | 885610582154 |
10 | 281143267141 |
11 | a9261054860 |
12 | 465a2389b71 |
13 | 20686273609 |
14 | d870a1cc29 |
15 | 74a6ec3bb1 |
hex | 417571cf45 |
281143267141 has 16 divisors (see below), whose sum is σ = 307183243968. Its totient is φ = 255183779200.
The previous prime is 281143267103. The next prime is 281143267169. The reversal of 281143267141 is 141762341182.
It is a cyclic number.
It is not a de Polignac number, because 281143267141 - 221 = 281141169989 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 281143267094 and 281143267103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (281143264141) 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, 47965551 + ... + 47971411.
It is an arithmetic number, because the mean of its divisors is an integer number (19198952748).
Almost surely, 2281143267141 is an apocalyptic number.
It is an amenable number.
281143267141 is a deficient number, since it is larger than the sum of its proper divisors (26039976827).
281143267141 is a wasteful number, since it uses less digits than its factorization.
281143267141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11972.
The product of its digits is 64512, while the sum is 40.
The spelling of 281143267141 in words is "two hundred eighty-one billion, one hundred forty-three million, two hundred sixty-seven thousand, one hundred forty-one".
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