Base | Representation |
---|---|
bin | 100000010011101110111… |
… | …100110000111010000111 |
3 | 21212020202101122002201100 |
4 | 200103232330300322013 |
5 | 242333443234443421 |
6 | 4415541253031143 |
7 | 316255631612334 |
oct | 40235674607207 |
9 | 7766671562640 |
10 | 2220212031111 |
11 | 78664a8a1128 |
12 | 2ba3606254b3 |
13 | 131499168669 |
14 | 7965d08b98b |
15 | 3cb45b01c26 |
hex | 204eef30e87 |
2220212031111 has 24 divisors (see below), whose sum is σ = 3233639438640. Its totient is φ = 1467883670400.
The previous prime is 2220212031097. The next prime is 2220212031113. The reversal of 2220212031111 is 1111302120222.
2220212031111 is a `hidden beast` number, since 2 + 220 + 2 + 120 + 311 + 11 = 666.
2220212031111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2220212031111 - 219 = 2220211506823 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2220212031113) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1546716 + ... + 2613953.
It is an arithmetic number, because the mean of its divisors is an integer number (134734976610).
Almost surely, 22220212031111 is an apocalyptic number.
2220212031111 is a deficient number, since it is larger than the sum of its proper divisors (1013427407529).
2220212031111 is a wasteful number, since it uses less digits than its factorization.
2220212031111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4161167 (or 4161164 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
Adding to 2220212031111 its reverse (1111302120222), we get a palindrome (3331514151333).
The spelling of 2220212031111 in words is "two trillion, two hundred twenty billion, two hundred twelve million, thirty-one thousand, one hundred eleven".
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