Base | Representation |
---|---|
bin | 1111100111100… |
… | …01001100000010 |
3 | 100010112001202111 |
4 | 13303301030002 |
5 | 232014330310 |
6 | 21000005534 |
7 | 3150402142 |
oct | 763611402 |
9 | 303461674 |
10 | 131011330 |
11 | 67a5282a |
12 | 37a608aa |
13 | 211b0bc8 |
14 | 13584922 |
15 | b77d28a |
hex | 7cf1302 |
131011330 has 16 divisors (see below), whose sum is σ = 239143104. Its totient is φ = 51666160.
The previous prime is 131011313. The next prime is 131011337. The reversal of 131011330 is 33110131.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 131011330.
It is not an unprimeable number, because it can be changed into a prime (131011337) 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 7 ways as a sum of consecutive naturals, for example, 91552 + ... + 92971.
It is an arithmetic number, because the mean of its divisors is an integer number (14946444).
Almost surely, 2131011330 is an apocalyptic number.
131011330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131011330 is a deficient number, since it is larger than the sum of its proper divisors (108131774).
131011330 is a wasteful number, since it uses less digits than its factorization.
131011330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 184601.
The product of its (nonzero) digits is 27, while the sum is 13.
The square root of 131011330 is about 11446.0180849062. The cubic root of 131011330 is about 507.8899491908.
Adding to 131011330 its reverse (33110131), we get a palindrome (164121461).
The spelling of 131011330 in words is "one hundred thirty-one million, eleven thousand, three hundred thirty".
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