Base | Representation |
---|---|
bin | 10100100001101101… |
… | …01110110011111100 |
3 | 1001110000110020002110 |
4 | 22100312232303330 |
5 | 140032132414322 |
6 | 5021305054020 |
7 | 540043110336 |
oct | 122066566374 |
9 | 31400406073 |
10 | 11020201212 |
11 | 4745686309 |
12 | 2176787310 |
13 | 106817b527 |
14 | 76784c456 |
15 | 44772ec0c |
hex | 290daecfc |
11020201212 has 24 divisors (see below), whose sum is σ = 26408771536. Its totient is φ = 3574119168.
The previous prime is 11020201201. The next prime is 11020201259. The reversal of 11020201212 is 21210202011.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 12409693 + ... + 12410580.
Almost surely, 211020201212 is an apocalyptic number.
11020201212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
11020201212 is an abundant number, since it is smaller than the sum of its proper divisors (15388570324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11020201212 is a wasteful number, since it uses less digits than its factorization.
11020201212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24820317 (or 24820315 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 11020201212 its reverse (21210202011), we get a palindrome (32230403223).
The spelling of 11020201212 in words is "eleven billion, twenty million, two hundred one thousand, two hundred twelve".
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