Base | Representation |
---|---|
bin | 11101000111000011… |
… | …100101011110011101 |
3 | 2222200100100200220100 |
4 | 131013003211132131 |
5 | 1003003231041331 |
6 | 22205331411313 |
7 | 2154401131632 |
oct | 350703453635 |
9 | 88610320810 |
10 | 31256893341 |
11 | 1228a779663 |
12 | 6083a53b39 |
13 | 2c418b947b |
14 | 1727348189 |
15 | c2e151ae6 |
hex | 7470e579d |
31256893341 has 12 divisors (see below), whose sum is σ = 45156325500. Its totient is φ = 20834476800.
The previous prime is 31256893273. The next prime is 31256893357. The reversal of 31256893341 is 14339865213.
31256893341 is a `hidden beast` number, since 3 + 12 + 568 + 9 + 33 + 41 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 6220476900 + 25036416441 = 78870^2 + 158229^2 .
It is not a de Polignac number, because 31256893341 - 211 = 31256891293 is a prime.
It is a super-3 number, since 3×312568933413 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31256893841) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229716 + ... + 339533.
It is an arithmetic number, because the mean of its divisors is an integer number (3763027125).
Almost surely, 231256893341 is an apocalyptic number.
It is an amenable number.
31256893341 is a deficient number, since it is larger than the sum of its proper divisors (13899432159).
31256893341 is a wasteful number, since it uses less digits than its factorization.
31256893341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 575356 (or 575353 counting only the distinct ones).
The product of its digits is 466560, while the sum is 45.
The spelling of 31256893341 in words is "thirty-one billion, two hundred fifty-six million, eight hundred ninety-three thousand, three hundred forty-one".
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