Base | Representation |
---|---|
bin | 1011000111010110110100… |
… | …0101110111000110110101 |
3 | 1121021022120100112122202121 |
4 | 2301311231011313012311 |
5 | 3100212113111210401 |
6 | 41554131104435541 |
7 | 2400640034550202 |
oct | 261655505670665 |
9 | 47238510478677 |
10 | 12221012210101 |
11 | 39919a18784a2 |
12 | 1454620318bb1 |
13 | 6a858a00a376 |
14 | 303700590ca9 |
15 | 162d6ae04ca1 |
hex | b1d6d1771b5 |
12221012210101 has 8 divisors (see below), whose sum is σ = 12270860642880. Its totient is φ = 12171181575168.
The previous prime is 12221012210093. The next prime is 12221012210117. The reversal of 12221012210101 is 10101221012221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12221012210101 - 23 = 12221012210093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12221012210161) 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, 3072481 + ... + 5820838.
It is an arithmetic number, because the mean of its divisors is an integer number (1533857580360).
Almost surely, 212221012210101 is an apocalyptic number.
It is an amenable number.
12221012210101 is a deficient number, since it is larger than the sum of its proper divisors (49848432779).
12221012210101 is an equidigital number, since it uses as much as digits as its factorization.
12221012210101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8898923.
The product of its (nonzero) digits is 32, while the sum is 16.
Adding to 12221012210101 its reverse (10101221012221), we get a palindrome (22322233222322).
The spelling of 12221012210101 in words is "twelve trillion, two hundred twenty-one billion, twelve million, two hundred ten thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •