Base | Representation |
---|---|
bin | 1110001110111110110110… |
… | …00001001111100110110000 |
3 | 11002211100121120012002202010 |
4 | 13013133123001033212300 |
5 | 13100314123403103240 |
6 | 150323305525522520 |
7 | 6410300316324366 |
oct | 707373301174660 |
9 | 132740546162663 |
10 | 31301101222320 |
11 | 9a787a4692936 |
12 | 3616443573440 |
13 | 14608b1724817 |
14 | 7a2da4cb1636 |
15 | 394330727280 |
hex | 1c77db04f9b0 |
31301101222320 has 80 divisors (see below), whose sum is σ = 97112367848160. Its totient is φ = 8340168579072.
The previous prime is 31301101222291. The next prime is 31301101222331. The reversal of 31301101222320 is 2322210110313.
It is a tau number, because it is divible by the number of its divisors (80).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52764949 + ... + 53354868.
It is an arithmetic number, because the mean of its divisors is an integer number (1213904598102).
Almost surely, 231301101222320 is an apocalyptic number.
31301101222320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
31301101222320 is an abundant number, since it is smaller than the sum of its proper divisors (65811266625840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31301101222320 is a wasteful number, since it uses less digits than its factorization.
31301101222320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106121062 (or 106121056 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 31301101222320 its reverse (2322210110313), we get a palindrome (33623311332633).
The spelling of 31301101222320 in words is "thirty-one trillion, three hundred one billion, one hundred one million, two hundred twenty-two thousand, three hundred twenty".
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