Base | Representation |
---|---|
bin | 111000111010100000… |
… | …0011011101110000101 |
3 | 102200110212111121200101 |
4 | 1301311000123232011 |
5 | 4000302331211401 |
6 | 132051552244101 |
7 | 11554530660436 |
oct | 1616500335605 |
9 | 380425447611 |
10 | 122222132101 |
11 | 4791a230933 |
12 | 1b82bb40631 |
13 | b6aa697734 |
14 | 5cb650548d |
15 | 32a50e5101 |
hex | 1c7501bb85 |
122222132101 has 4 divisors (see below), whose sum is σ = 122239727500. Its totient is φ = 122204536704.
The previous prime is 122222132093. The next prime is 122222132117. The reversal of 122222132101 is 101231222221.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 112091709601 + 10130422500 = 334801^2 + 100650^2 .
It is a cyclic number.
It is not a de Polignac number, because 122222132101 - 23 = 122222132093 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 (122222132161) 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, 8787276 + ... + 8801173.
It is an arithmetic number, because the mean of its divisors is an integer number (30559931875).
Almost surely, 2122222132101 is an apocalyptic number.
It is an amenable number.
122222132101 is a deficient number, since it is larger than the sum of its proper divisors (17595399).
122222132101 is an equidigital number, since it uses as much as digits as its factorization.
122222132101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17595398.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 122222132101 its reverse (101231222221), we get a palindrome (223453354322).
The spelling of 122222132101 in words is "one hundred twenty-two billion, two hundred twenty-two million, one hundred thirty-two thousand, one hundred one".
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