Base | Representation |
---|---|
bin | 1011000111010111100001… |
… | …0010010011110111110111 |
3 | 1121021100001102221112200001 |
4 | 2301311320102103313313 |
5 | 3100213004201214111 |
6 | 41554201454132131 |
7 | 2400644505125566 |
oct | 261657022236767 |
9 | 47240042845601 |
10 | 12221200023031 |
11 | 3991a8889709a |
12 | 14546731b1047 |
13 | 6a85b9bb848c |
14 | 30371b4bdbdd |
15 | 162d7c6531c1 |
hex | b1d78493df7 |
12221200023031 has 8 divisors (see below), whose sum is σ = 12405352725504. Its totient is φ = 12037098695160.
The previous prime is 12221200023001. The next prime is 12221200023037. The reversal of 12221200023031 is 13032000212221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12221200023031 - 213 = 12221200014839 is a prime.
It is a super-2 number, since 2×122212000230312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12221200023037) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12364165 + ... + 13315966.
It is an arithmetic number, because the mean of its divisors is an integer number (1550669090688).
Almost surely, 212221200023031 is an apocalyptic number.
12221200023031 is a deficient number, since it is larger than the sum of its proper divisors (184152702473).
12221200023031 is an equidigital number, since it uses as much as digits as its factorization.
12221200023031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25687301.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 12221200023031 its reverse (13032000212221), we get a palindrome (25253200235252).
The spelling of 12221200023031 in words is "twelve trillion, two hundred twenty-one billion, two hundred million, twenty-three thousand, thirty-one".
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