Base | Representation |
---|---|
bin | 111101000011011100… |
… | …1000011011110111101 |
3 | 110112102102120220121200 |
4 | 1322012321003132331 |
5 | 4122004200403201 |
6 | 140122043450113 |
7 | 12321036436266 |
oct | 1720671033675 |
9 | 415372526550 |
10 | 131112122301 |
11 | 50671414076 |
12 | 214b1226939 |
13 | c49640b074 |
14 | 64bb08196d |
15 | 36257e1386 |
hex | 1e86e437bd |
131112122301 has 12 divisors (see below), whose sum is σ = 194502668412. Its totient is φ = 85045700736.
The previous prime is 131112122287. The next prime is 131112122321. The reversal of 131112122301 is 103221211131.
131112122301 is a `hidden beast` number, since 1 + 311 + 121 + 2 + 230 + 1 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 81002852100 + 50109270201 = 284610^2 + 223851^2 .
It is not a de Polignac number, because 131112122301 - 211 = 131112120253 is a prime.
It is a super-2 number, since 2×1311121223012 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131112122321) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196864716 + ... + 196865381.
It is an arithmetic number, because the mean of its divisors is an integer number (16208555701).
Almost surely, 2131112122301 is an apocalyptic number.
It is an amenable number.
131112122301 is a deficient number, since it is larger than the sum of its proper divisors (63390546111).
131112122301 is a wasteful number, since it uses less digits than its factorization.
131112122301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 393730140 (or 393730137 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
Adding to 131112122301 its reverse (103221211131), we get a palindrome (234333333432).
The spelling of 131112122301 in words is "one hundred thirty-one billion, one hundred twelve million, one hundred twenty-two thousand, three hundred one".
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