Base | Representation |
---|---|
bin | 11101000110001000… |
… | …000110111111111011 |
3 | 2222122021000120121200 |
4 | 131012020012333323 |
5 | 1002440233131021 |
6 | 22204013305243 |
7 | 2154121454103 |
oct | 350610067773 |
9 | 88567016550 |
10 | 31241302011 |
11 | 1228199a667 |
12 | 607a795223 |
13 | 2c3b5ba92a |
14 | 172524a203 |
15 | c2cac2126 |
hex | 746206ffb |
31241302011 has 24 divisors (see below), whose sum is σ = 45261360144. Its totient is φ = 20765290560.
The previous prime is 31241302009. The next prime is 31241302039. The reversal of 31241302011 is 11020314213.
31241302011 is a `hidden beast` number, since 312 + 41 + 302 + 0 + 11 = 666.
It is not a de Polignac number, because 31241302011 - 21 = 31241302009 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31241302061) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6914125 + ... + 6918641.
It is an arithmetic number, because the mean of its divisors is an integer number (1885890006).
Almost surely, 231241302011 is an apocalyptic number.
31241302011 is a deficient number, since it is larger than the sum of its proper divisors (14020058133).
31241302011 is a wasteful number, since it uses less digits than its factorization.
31241302011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6651 (or 6648 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 31241302011 its reverse (11020314213), we get a palindrome (42261616224).
The spelling of 31241302011 in words is "thirty-one billion, two hundred forty-one million, three hundred two thousand, eleven".
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