Base | Representation |
---|---|
bin | 111000011100010110… |
… | …0101001101000000110 |
3 | 102120212100120220010002 |
4 | 1300320230221220012 |
5 | 3441214320010342 |
6 | 131403325401302 |
7 | 11520463443245 |
oct | 1607054515006 |
9 | 376770526102 |
10 | 121210313222 |
11 | 47450075389 |
12 | 1b5a9109232 |
13 | b578b7cb3b |
14 | 5c1bd9c95c |
15 | 324637bd32 |
hex | 1c38b29a06 |
121210313222 has 8 divisors (see below), whose sum is σ = 182109196200. Its totient is φ = 60507247824.
The previous prime is 121210313219. The next prime is 121210313227. The reversal of 121210313222 is 222313012121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 121210313194 and 121210313203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121210313227) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48952847 + ... + 48955322.
It is an arithmetic number, because the mean of its divisors is an integer number (22763649525).
Almost surely, 2121210313222 is an apocalyptic number.
121210313222 is a deficient number, since it is larger than the sum of its proper divisors (60898882978).
121210313222 is an equidigital number, since it uses as much as digits as its factorization.
121210313222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97908790.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 121210313222 its reverse (222313012121), we get a palindrome (343523325343).
The spelling of 121210313222 in words is "one hundred twenty-one billion, two hundred ten million, three hundred thirteen thousand, two hundred twenty-two".
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