Base | Representation |
---|---|
bin | 100011001111110001100010… |
… | …0110111101100111111101100 |
3 | 1111122201200202221022111211011 |
4 | 1012133203010313230333230 |
5 | 311114022420342343040 |
6 | 3015214213254035004 |
7 | 122206005463542103 |
oct | 10637430467547754 |
9 | 1448650687274734 |
10 | 310031222231020 |
11 | 8a8705594a7854 |
12 | 2a932165048a64 |
13 | 103cba84c01644 |
14 | 567b83c44903a |
15 | 25c99548583ea |
hex | 119f8c4decfec |
310031222231020 has 24 divisors (see below), whose sum is σ = 668661933353904. Its totient is φ = 120660800003136.
The previous prime is 310031222230991. The next prime is 310031222231047. The reversal of 310031222231020 is 20132222130013.
It is a super-2 number, since 2×3100312222310202 (a number of 30 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 310031222230982 and 310031222231000.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209480554822 + ... + 209480556301.
It is an arithmetic number, because the mean of its divisors is an integer number (27860913889746).
Almost surely, 2310031222231020 is an apocalyptic number.
It is an amenable number.
310031222231020 is an abundant number, since it is smaller than the sum of its proper divisors (358630711122884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
310031222231020 is a wasteful number, since it uses less digits than its factorization.
310031222231020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 418961111169 (or 418961111167 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 310031222231020 its reverse (20132222130013), we get a palindrome (330163444361033).
The spelling of 310031222231020 in words is "three hundred ten trillion, thirty-one billion, two hundred twenty-two million, two hundred thirty-one thousand, twenty".
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