Base | Representation |
---|---|
bin | 10100111000010111… |
… | …11100011000101100 |
3 | 1001221021011210222120 |
4 | 22130023330120230 |
5 | 140424314424322 |
6 | 5052215512540 |
7 | 544542034032 |
oct | 123413743054 |
9 | 31837153876 |
10 | 11210311212 |
11 | 4832a23811 |
12 | 220a388750 |
13 | 1098682059 |
14 | 784bb8552 |
15 | 459283a5c |
hex | 29c2fc62c |
11210311212 has 24 divisors (see below), whose sum is σ = 26332950000. Its totient is φ = 3711690816.
The previous prime is 11210311199. The next prime is 11210311279. The reversal of 11210311212 is 21211301211.
11210311212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 11210311191 and 11210311200.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3133087 + ... + 3136662.
It is an arithmetic number, because the mean of its divisors is an integer number (1097206250).
Almost surely, 211210311212 is an apocalyptic number.
11210311212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
11210311212 is an abundant number, since it is smaller than the sum of its proper divisors (15122638788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11210311212 is a wasteful number, since it uses less digits than its factorization.
11210311212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6269905 (or 6269903 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 15.
Adding to 11210311212 its reverse (21211301211), we get a palindrome (32421612423).
The spelling of 11210311212 in words is "eleven billion, two hundred ten million, three hundred eleven thousand, two hundred twelve".
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