Base | Representation |
---|---|
bin | 10001111010101011101… |
… | …101010010010100010101 |
3 | 11100201001022221210022220 |
4 | 101322223231102110111 |
5 | 130133040301001401 |
6 | 2341342520412553 |
7 | 154645211260215 |
oct | 21725355222425 |
9 | 4321038853286 |
10 | 1231241422101 |
11 | 4351917589a9 |
12 | 17a758317159 |
13 | 8c14ac181a2 |
14 | 438417a6245 |
15 | 220627d3336 |
hex | 11eabb52515 |
1231241422101 has 32 divisors (see below), whose sum is σ = 1656962697600. Its totient is φ = 813205536000.
The previous prime is 1231241422093. The next prime is 1231241422111. The reversal of 1231241422101 is 1012241421321.
It is not a de Polignac number, because 1231241422101 - 23 = 1231241422093 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1231241422111) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 384400966 + ... + 384404168.
It is an arithmetic number, because the mean of its divisors is an integer number (51780084300).
Almost surely, 21231241422101 is an apocalyptic number.
It is an amenable number.
1231241422101 is a deficient number, since it is larger than the sum of its proper divisors (425721275499).
1231241422101 is a wasteful number, since it uses less digits than its factorization.
1231241422101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5317.
The product of its (nonzero) digits is 768, while the sum is 24.
Adding to 1231241422101 its reverse (1012241421321), we get a palindrome (2243482843422).
The spelling of 1231241422101 in words is "one trillion, two hundred thirty-one billion, two hundred forty-one million, four hundred twenty-two thousand, one hundred one".
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