Base | Representation |
---|---|
bin | 111101000001000000… |
… | …0101000110100010010 |
3 | 110112012201111001110200 |
4 | 1322002000220310102 |
5 | 4121322214133041 |
6 | 140110000240030 |
7 | 12316023346203 |
oct | 1720200506422 |
9 | 415181431420 |
10 | 131030224146 |
11 | 5062a166848 |
12 | 21489910016 |
13 | c482464a13 |
14 | 64b02435aa |
15 | 361d5151b6 |
hex | 1e82028d12 |
131030224146 has 48 divisors (see below), whose sum is σ = 284530122240. Its totient is φ = 43579736640.
The previous prime is 131030224109. The next prime is 131030224147. The reversal of 131030224146 is 641422030131.
It is a happy number.
131030224146 is a `hidden beast` number, since 1 + 310 + 302 + 2 + 4 + 1 + 46 = 666.
It is not an unprimeable number, because it can be changed into a prime (131030224147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16389126 + ... + 16397118.
It is an arithmetic number, because the mean of its divisors is an integer number (5927710880).
Almost surely, 2131030224146 is an apocalyptic number.
131030224146 is an abundant number, since it is smaller than the sum of its proper divisors (153499898094).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131030224146 is a wasteful number, since it uses less digits than its factorization.
131030224146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9911 (or 9908 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
Adding to 131030224146 its reverse (641422030131), we get a palindrome (772452254277).
The spelling of 131030224146 in words is "one hundred thirty-one billion, thirty million, two hundred twenty-four thousand, one hundred forty-six".
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