Base | Representation |
---|---|
bin | 111101001101010100… |
… | …0001101111111011110 |
3 | 110120021111200002211120 |
4 | 1322122220031333132 |
5 | 4123143433100324 |
6 | 140214553031410 |
7 | 12332200134450 |
oct | 1723250157736 |
9 | 416244602746 |
10 | 131443253214 |
11 | 50821320689 |
12 | 215840b5566 |
13 | c519bb8810 |
14 | 650d03a2d0 |
15 | 36448ee179 |
hex | 1e9aa0dfde |
131443253214 has 128 divisors (see below), whose sum is σ = 330729799680. Its totient is φ = 33898690944.
The previous prime is 131443253213. The next prime is 131443253231. The reversal of 131443253214 is 412352344131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131443253213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53452717 + ... + 53455175.
It is an arithmetic number, because the mean of its divisors is an integer number (2583826560).
Almost surely, 2131443253214 is an apocalyptic number.
131443253214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 131443253214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165364899840).
131443253214 is an abundant number, since it is smaller than the sum of its proper divisors (199286546466).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131443253214 is a wasteful number, since it uses less digits than its factorization.
131443253214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4614.
The product of its digits is 34560, while the sum is 33.
Adding to 131443253214 its reverse (412352344131), we get a palindrome (543795597345).
The spelling of 131443253214 in words is "one hundred thirty-one billion, four hundred forty-three million, two hundred fifty-three thousand, two hundred fourteen".
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