Base | Representation |
---|---|
bin | 1011000111010011111010… |
… | …0010001111110100100010 |
3 | 1121021020112220210021121110 |
4 | 2301310332202033310202 |
5 | 3100204013131402320 |
6 | 41553521403204150 |
7 | 2400611501452056 |
oct | 261647642176442 |
9 | 47236486707543 |
10 | 12220231122210 |
11 | 3991630984611 |
12 | 1454442816656 |
13 | 6a8494249697 |
14 | 303668949c66 |
15 | 162d225665e0 |
hex | b1d3e88fd22 |
12220231122210 has 64 divisors (see below), whose sum is σ = 29361160765440. Its totient is φ = 3255106795200.
The previous prime is 12220231122181. The next prime is 12220231122277. The reversal of 12220231122210 is 1222113202221.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149784889 + ... + 149866451.
It is an arithmetic number, because the mean of its divisors is an integer number (458768136960).
Almost surely, 212220231122210 is an apocalyptic number.
12220231122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12220231122210 is an abundant number, since it is smaller than the sum of its proper divisors (17140929643230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12220231122210 is a wasteful number, since it uses less digits than its factorization.
12220231122210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87063.
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 12220231122210 its reverse (1222113202221), we get a palindrome (13442344324431).
The spelling of 12220231122210 in words is "twelve trillion, two hundred twenty billion, two hundred thirty-one million, one hundred twenty-two thousand, two hundred ten".
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