Base | Representation |
---|---|
bin | 111101000110000110… |
… | …0100001101111001000 |
3 | 110112122122001002221200 |
4 | 1322030030201233020 |
5 | 4122144441104112 |
6 | 140134543104200 |
7 | 12323200026423 |
oct | 1721414415710 |
9 | 415578032850 |
10 | 131201113032 |
11 | 50707676130 |
12 | 21516ba2060 |
13 | c4ab9987c2 |
14 | 64c8c089ba |
15 | 362d51dcdc |
hex | 1e8c321bc8 |
131201113032 has 48 divisors (see below), whose sum is σ = 387639654480. Its totient is φ = 39757912800.
The previous prime is 131201113013. The next prime is 131201113081. The reversal of 131201113032 is 230311102131.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 131201112996 and 131201113014.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 82828194 + ... + 82829777.
It is an arithmetic number, because the mean of its divisors is an integer number (8075826135).
Almost surely, 2131201113032 is an apocalyptic number.
131201113032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131201113032 is an abundant number, since it is smaller than the sum of its proper divisors (256438541448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131201113032 is a wasteful number, since it uses less digits than its factorization.
131201113032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 165657994 (or 165657987 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 131201113032 its reverse (230311102131), we get a palindrome (361512215163).
The spelling of 131201113032 in words is "one hundred thirty-one billion, two hundred one million, one hundred thirteen thousand, thirty-two".
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