Base | Representation |
---|---|
bin | 10100111000100101… |
… | …00000010111010101 |
3 | 1001221101102012200220 |
4 | 22130102200113111 |
5 | 140430240001240 |
6 | 5052320424553 |
7 | 544562460216 |
oct | 123422402725 |
9 | 31841365626 |
10 | 11212031445 |
11 | 483399919a |
12 | 220aa78159 |
13 | 1098b35044 |
14 | 78510540d |
15 | 4594c35d0 |
hex | 29c4a05d5 |
11212031445 has 8 divisors (see below), whose sum is σ = 17939250336. Its totient is φ = 5979750096.
The previous prime is 11212031353. The next prime is 11212031459. The reversal of 11212031445 is 54413021211.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 11212031445 - 28 = 11212031189 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373734367 + ... + 373734396.
It is an arithmetic number, because the mean of its divisors is an integer number (2242406292).
Almost surely, 211212031445 is an apocalyptic number.
11212031445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
11212031445 is a deficient number, since it is larger than the sum of its proper divisors (6727218891).
11212031445 is an equidigital number, since it uses as much as digits as its factorization.
11212031445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 747468771.
The product of its (nonzero) digits is 960, while the sum is 24.
Adding to 11212031445 its reverse (54413021211), we get a palindrome (65625052656).
The spelling of 11212031445 in words is "eleven billion, two hundred twelve million, thirty-one thousand, four hundred forty-five".
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