Base | Representation |
---|---|
bin | 111110101001101… |
… | …0000101101111011 |
3 | 12102111122212221010 |
4 | 1331103100231323 |
5 | 13301130414321 |
6 | 544333245003 |
7 | 103044262335 |
oct | 17523205573 |
9 | 5374585833 |
10 | 2102201211 |
11 | 989701980 |
12 | 4a8033763 |
13 | 2766aba56 |
14 | 15d2a0455 |
15 | c484e676 |
hex | 7d4d0b7b |
2102201211 has 32 divisors (see below), whose sum is σ = 3273292800. Its totient is φ = 1186526880.
The previous prime is 2102201201. The next prime is 2102201237. The reversal of 2102201211 is 1121022012.
It is not a de Polignac number, because 2102201211 - 29 = 2102200699 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2102201201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8580 + ... + 65406.
It is an arithmetic number, because the mean of its divisors is an integer number (102290400).
Almost surely, 22102201211 is an apocalyptic number.
2102201211 is a deficient number, since it is larger than the sum of its proper divisors (1171091589).
2102201211 is a wasteful number, since it uses less digits than its factorization.
2102201211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56919.
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 2102201211 is about 45849.7678401974. The cubic root of 2102201211 is about 1281.0264412770.
Adding to 2102201211 its reverse (1121022012), we get a palindrome (3223223223).
It can be divided in two parts, 21022012 and 11, that multiplied together give a palindrome (231242132).
The spelling of 2102201211 in words is "two billion, one hundred two million, two hundred one thousand, two hundred eleven".
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