Base | Representation |
---|---|
bin | 111101000011111110… |
… | …1101000101001100000 |
3 | 110112110200102021211020 |
4 | 1322013331220221200 |
5 | 4122023301202240 |
6 | 140123525045440 |
7 | 12321345314322 |
oct | 1720775505140 |
9 | 415420367736 |
10 | 131130100320 |
11 | 5068058323a |
12 | 214b7256880 |
13 | c49a06404b |
14 | 64bd601612 |
15 | 36271930d0 |
hex | 1e87f68a60 |
131130100320 has 48 divisors (see below), whose sum is σ = 413059817520. Its totient is φ = 34968026624.
The previous prime is 131130100279. The next prime is 131130100349. The reversal of 131130100320 is 23001031131.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 131130100320.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136593375 + ... + 136594334.
It is an arithmetic number, because the mean of its divisors is an integer number (8605412865).
Almost surely, 2131130100320 is an apocalyptic number.
131130100320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131130100320 is an abundant number, since it is smaller than the sum of its proper divisors (281929717200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131130100320 is a wasteful number, since it uses less digits than its factorization.
131130100320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 273187727 (or 273187719 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 131130100320 its reverse (23001031131), we get a palindrome (154131131451).
The spelling of 131130100320 in words is "one hundred thirty-one billion, one hundred thirty million, one hundred thousand, three hundred twenty".
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