Base | Representation |
---|---|
bin | 111101000110111101… |
… | …1001001001010000110 |
3 | 110112201122121022210010 |
4 | 1322031323021022012 |
5 | 4122224402012332 |
6 | 140141500411050 |
7 | 12324001350612 |
oct | 1721573111206 |
9 | 415648538703 |
10 | 131230110342 |
11 | 50721a81251 |
12 | 21524846a86 |
13 | c4b49ac286 |
14 | 64cc9d6342 |
15 | 3630d4a9cc |
hex | 1e8dec9286 |
131230110342 has 32 divisors (see below), whose sum is σ = 262887351552. Its totient is φ = 43672228704.
The previous prime is 131230110337. The next prime is 131230110421. The reversal of 131230110342 is 243011032131.
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 15 ways as a sum of consecutive naturals, for example, 17955853 + ... + 17963159.
It is an arithmetic number, because the mean of its divisors is an integer number (8215229736).
Almost surely, 2131230110342 is an apocalyptic number.
131230110342 is an abundant number, since it is smaller than the sum of its proper divisors (131657241210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131230110342 is a wasteful number, since it uses less digits than its factorization.
131230110342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11772.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 131230110342 its reverse (243011032131), we get a palindrome (374241142473).
The spelling of 131230110342 in words is "one hundred thirty-one billion, two hundred thirty million, one hundred ten thousand, three hundred forty-two".
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