Base | Representation |
---|---|
bin | 110001000000001000… |
… | …0111010100111000000 |
3 | 101001121201221102211211 |
4 | 1202000100322213000 |
5 | 3211003132224440 |
6 | 120201552215504 |
7 | 10413503605321 |
oct | 1420020724700 |
9 | 331551842754 |
10 | 105231133120 |
11 | 406a025a913 |
12 | 1848983a594 |
13 | 9c00506299 |
14 | 5143aca448 |
15 | 2b0d5e9eea |
hex | 188043a9c0 |
105231133120 has 56 divisors (see below), whose sum is σ = 251022459600. Its totient is φ = 42018404352.
The previous prime is 105231133097. The next prime is 105231133121. The reversal of 105231133120 is 21331132501.
It is a super-2 number, since 2×1052311331202 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 105231133091 and 105231133100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105231133121) 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, 106890 + ... + 471049.
Almost surely, 2105231133120 is an apocalyptic number.
105231133120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
105231133120 is an abundant number, since it is smaller than the sum of its proper divisors (145791326480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105231133120 is an equidigital number, since it uses as much as digits as its factorization.
105231133120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 578525 (or 578515 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 22.
Adding to 105231133120 its reverse (21331132501), we get a palindrome (126562265621).
The spelling of 105231133120 in words is "one hundred five billion, two hundred thirty-one million, one hundred thirty-three thousand, one hundred twenty".
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