Base | Representation |
---|---|
bin | 10100111001100011… |
… | …10010011110100101 |
3 | 1001221221211211212220 |
4 | 22130301302132211 |
5 | 140434334411401 |
6 | 5053212302553 |
7 | 545022253641 |
oct | 123461623645 |
9 | 31857754786 |
10 | 11220232101 |
11 | 483858a4a1 |
12 | 2211771a59 |
13 | 109a7468c0 |
14 | 78623bc21 |
15 | 45a093336 |
hex | 29cc727a5 |
11220232101 has 32 divisors (see below), whose sum is σ = 17609131008. Its totient is φ = 6288952320.
The previous prime is 11220232099. The next prime is 11220232141. The reversal of 11220232101 is 10123202211.
It is not a de Polignac number, because 11220232101 - 21 = 11220232099 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11220232141) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252406 + ... + 293511.
It is an arithmetic number, because the mean of its divisors is an integer number (550285344).
Almost surely, 211220232101 is an apocalyptic number.
It is an amenable number.
11220232101 is a deficient number, since it is larger than the sum of its proper divisors (6388898907).
11220232101 is a wasteful number, since it uses less digits than its factorization.
11220232101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 545981.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 11220232101 its reverse (10123202211), we get a palindrome (21343434312).
The spelling of 11220232101 in words is "eleven billion, two hundred twenty million, two hundred thirty-two thousand, one hundred one".
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