Base | Representation |
---|---|
bin | 111101000100011000… |
… | …0011101000101011100 |
3 | 110112111121111010010220 |
4 | 1322020300131011130 |
5 | 4122040204003200 |
6 | 140125122401340 |
7 | 12321566461032 |
oct | 1721060350534 |
9 | 415447433126 |
10 | 131143422300 |
11 | 50688052240 |
12 | 214bb800250 |
13 | c49ca49987 |
14 | 64c12ac552 |
15 | 36284254a0 |
hex | 1e88c1d15c |
131143422300 has 144 divisors (see below), whose sum is σ = 415746307200. Its totient is φ = 31653331200.
The previous prime is 131143422283. The next prime is 131143422329. The reversal of 131143422300 is 3224341131.
It is a happy number.
It is a super-2 number, since 2×1311434223002 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
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 47 ways as a sum of consecutive naturals, for example, 668931 + ... + 842469.
Almost surely, 2131143422300 is an apocalyptic number.
131143422300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131143422300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207873153600).
131143422300 is an abundant number, since it is smaller than the sum of its proper divisors (284602884900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131143422300 is a wasteful number, since it uses less digits than its factorization.
131143422300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 173796 (or 173789 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 131143422300 its reverse (3224341131), we get a palindrome (134367763431).
The spelling of 131143422300 in words is "one hundred thirty-one billion, one hundred forty-three million, four hundred twenty-two thousand, three hundred".
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