Base | Representation |
---|---|
bin | 11100111101110001… |
… | …110101001001100101 |
3 | 2222021111110220011010 |
4 | 130331301311021211 |
5 | 1002143404302010 |
6 | 22142051332433 |
7 | 2150501132526 |
oct | 347561651145 |
9 | 88244426133 |
10 | 31101244005 |
11 | 1220a928a47 |
12 | 603b8b1119 |
13 | 2c18590080 |
14 | 17107cc84d |
15 | c20658620 |
hex | 73dc75265 |
31101244005 has 64 divisors (see below), whose sum is σ = 53980109568. Its totient is φ = 15200317440.
The previous prime is 31101244003. The next prime is 31101244019. The reversal of 31101244005 is 50044210113.
It is not a de Polignac number, because 31101244005 - 21 = 31101244003 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31101244003) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18656182 + ... + 18657848.
It is an arithmetic number, because the mean of its divisors is an integer number (843439212).
Almost surely, 231101244005 is an apocalyptic number.
It is an amenable number.
31101244005 is a deficient number, since it is larger than the sum of its proper divisors (22878865563).
31101244005 is a wasteful number, since it uses less digits than its factorization.
31101244005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2326.
The product of its (nonzero) digits is 480, while the sum is 21.
Adding to 31101244005 its reverse (50044210113), we get a palindrome (81145454118).
The spelling of 31101244005 in words is "thirty-one billion, one hundred one million, two hundred forty-four thousand, five".
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