Base | Representation |
---|---|
bin | 10100101100101101… |
… | …00011111001100010 |
3 | 1001200102222222212000 |
4 | 22112112203321202 |
5 | 140224240244302 |
6 | 5034401544430 |
7 | 542243051415 |
oct | 122626437142 |
9 | 31612888760 |
10 | 11112431202 |
11 | 4792750044 |
12 | 21a1645116 |
13 | 10813014a2 |
14 | 775bb9b7c |
15 | 45089c31c |
hex | 2965a3e62 |
11112431202 has 32 divisors (see below), whose sum is σ = 24697949760. Its totient is φ = 3703595040.
The previous prime is 11112431147. The next prime is 11112431203. The reversal of 11112431202 is 20213421111.
11112431202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×111124312022 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (11112431203) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 534718 + ... + 555110.
It is an arithmetic number, because the mean of its divisors is an integer number (771810930).
Almost surely, 211112431202 is an apocalyptic number.
11112431202 is an abundant number, since it is smaller than the sum of its proper divisors (13585518558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11112431202 is a wasteful number, since it uses less digits than its factorization.
11112431202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30495 (or 30489 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
Adding to 11112431202 its reverse (20213421111), we get a palindrome (31325852313).
The spelling of 11112431202 in words is "eleven billion, one hundred twelve million, four hundred thirty-one thousand, two hundred two".
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