Base | Representation |
---|---|
bin | 11110110111010101011… |
… | …101101101001010110010 |
3 | 21111202200011002110011220 |
4 | 132313111131231022302 |
5 | 234222302023223442 |
6 | 4302212443245510 |
7 | 306144235220622 |
oct | 36672535551262 |
9 | 7452604073156 |
10 | 2121000211122 |
11 | 748569363371 |
12 | 2a3092819896 |
13 | 125017a30a30 |
14 | 7492a99a882 |
15 | 3a28aba6eec |
hex | 1edd576d2b2 |
2121000211122 has 64 divisors (see below), whose sum is σ = 4590785009664. Its totient is φ = 649405592640.
The previous prime is 2121000211093. The next prime is 2121000211129. The reversal of 2121000211122 is 2211120001212.
It is not an unprimeable number, because it can be changed into a prime (2121000211129) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151850983 + ... + 151864949.
It is an arithmetic number, because the mean of its divisors is an integer number (71731015776).
Almost surely, 22121000211122 is an apocalyptic number.
2121000211122 is an abundant number, since it is smaller than the sum of its proper divisors (2469784798542).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2121000211122 is a wasteful number, since it uses less digits than its factorization.
2121000211122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23423.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 2121000211122 its reverse (2211120001212), we get a palindrome (4332120212334).
The spelling of 2121000211122 in words is "two trillion, one hundred twenty-one billion, two hundred eleven thousand, one hundred twenty-two".
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