Base | Representation |
---|---|
bin | 111101000011001001… |
… | …1010010101010100011 |
3 | 110112101201221222100022 |
4 | 1322012103102222203 |
5 | 4121444132114021 |
6 | 140121051344055 |
7 | 12320556336344 |
oct | 1720623225243 |
9 | 415351858308 |
10 | 131102223011 |
11 | 50666872641 |
12 | 214a9a5202b |
13 | c4943532b6 |
14 | 64b9a260cb |
15 | 36249d81ab |
hex | 1e864d2aa3 |
131102223011 has 4 divisors (see below), whose sum is σ = 131103621000. Its totient is φ = 131100825024.
The previous prime is 131102222989. The next prime is 131102223053. The reversal of 131102223011 is 110322201131.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110322201131 = 17 ⋅6489541243.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131102223011 is a prime.
It is a super-2 number, since 2×1311022230112 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131102228011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547361 + ... + 749538.
It is an arithmetic number, because the mean of its divisors is an integer number (32775905250).
Almost surely, 2131102223011 is an apocalyptic number.
131102223011 is a deficient number, since it is larger than the sum of its proper divisors (1397989).
131102223011 is a wasteful number, since it uses less digits than its factorization.
131102223011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1397988.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 131102223011 its reverse (110322201131), we get a palindrome (241424424142).
The spelling of 131102223011 in words is "one hundred thirty-one billion, one hundred two million, two hundred twenty-three thousand, eleven".
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