Base | Representation |
---|---|
bin | 1001001001101000100001… |
… | …10000111000011100011000 |
3 | 2122020122220221000200222210 |
4 | 10210310100300320130120 |
5 | 10114140232434000240 |
6 | 110444002405115120 |
7 | 4144531643450055 |
oct | 444642060703430 |
9 | 78218827020883 |
10 | 20122203031320 |
11 | 64588620321a5 |
12 | 230b9990b8aa0 |
13 | b2c691a21420 |
14 | 4d7cc3dd002c |
15 | 24d658456780 |
hex | 124d10c38718 |
20122203031320 has 64 divisors (see below), whose sum is σ = 65010194413920. Its totient is φ = 4953157668864.
The previous prime is 20122203031319. The next prime is 20122203031351. The reversal of 20122203031320 is 2313030222102.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6449422489 + ... + 6449425608.
Almost surely, 220122203031320 is an apocalyptic number.
20122203031320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20122203031320 is an abundant number, since it is smaller than the sum of its proper divisors (44887991382600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20122203031320 is a wasteful number, since it uses less digits than its factorization.
20122203031320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12898848124 (or 12898848120 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 20122203031320 its reverse (2313030222102), we get a palindrome (22435233253422).
The spelling of 20122203031320 in words is "twenty trillion, one hundred twenty-two billion, two hundred three million, thirty-one thousand, three hundred twenty".
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