Base | Representation |
---|---|
bin | 111101000000011100… |
… | …0111010101110010010 |
3 | 110112011102002212022110 |
4 | 1322000320322232102 |
5 | 4121302411014442 |
6 | 140104045250150 |
7 | 12315404502546 |
oct | 1720070725622 |
9 | 415142085273 |
10 | 131011423122 |
11 | 5061a595308 |
12 | 21483563956 |
13 | c47b5b1258 |
14 | 64ab94ba26 |
15 | 361ba4e69c |
hex | 1e80e3ab92 |
131011423122 has 8 divisors (see below), whose sum is σ = 262022846256. Its totient is φ = 43670474372.
The previous prime is 131011423093. The next prime is 131011423129. The reversal of 131011423122 is 221324110131.
It is a sphenic number, since it is the product of 3 distinct primes.
131011423122 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (131011423129) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10917618588 + ... + 10917618599.
It is an arithmetic number, because the mean of its divisors is an integer number (32752855782).
Almost surely, 2131011423122 is an apocalyptic number.
131011423122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131011423122 is a wasteful number, since it uses less digits than its factorization.
131011423122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21835237192.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 131011423122 its reverse (221324110131), we get a palindrome (352335533253).
The spelling of 131011423122 in words is "one hundred thirty-one billion, eleven million, four hundred twenty-three thousand, one hundred twenty-two".
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