Base | Representation |
---|---|
bin | 10100101011011110… |
… | …01111000010010011 |
3 | 1001122201121020110120 |
4 | 22111233033002103 |
5 | 140214120402011 |
6 | 5033353001323 |
7 | 542056324002 |
oct | 122557170223 |
9 | 31581536416 |
10 | 11102122131 |
11 | 4787949751 |
12 | 219a0b3243 |
13 | 107c132049 |
14 | 774694c39 |
15 | 44ea12a06 |
hex | 295bcf093 |
11102122131 has 8 divisors (see below), whose sum is σ = 14806204560. Its totient is φ = 7399727232.
The previous prime is 11102122127. The next prime is 11102122133. The reversal of 11102122131 is 13122120111.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 11102122131 - 22 = 11102122127 is a prime.
It is a super-2 number, since 2×111021221312 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 11102122131.
It is not an unprimeable number, because it can be changed into a prime (11102122133) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406450 + ... + 432903.
It is an arithmetic number, because the mean of its divisors is an integer number (1850775570).
Almost surely, 211102122131 is an apocalyptic number.
11102122131 is a deficient number, since it is larger than the sum of its proper divisors (3704082429).
11102122131 is an equidigital number, since it uses as much as digits as its factorization.
11102122131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 843765.
The product of its (nonzero) digits is 24, while the sum is 15.
Adding to 11102122131 its reverse (13122120111), we get a palindrome (24224242242).
The spelling of 11102122131 in words is "eleven billion, one hundred two million, one hundred twenty-two thousand, one hundred thirty-one".
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