Base | Representation |
---|---|
bin | 1000001001100101100… |
… | …0010001100101110111 |
3 | 111101101200201021120100 |
4 | 2002121120101211313 |
5 | 4243221112343111 |
6 | 144153140005143 |
7 | 13054430220201 |
oct | 2023130214567 |
9 | 441350637510 |
10 | 140012231031 |
11 | 54419288532 |
12 | 231759907b3 |
13 | 102842851aa |
14 | 6ac30d3771 |
15 | 3996d3a756 |
hex | 2099611977 |
140012231031 has 12 divisors (see below), whose sum is σ = 203450908752. Its totient is φ = 92782555296.
The previous prime is 140012231003. The next prime is 140012231039. The reversal of 140012231031 is 130132210041.
140012231031 is a `hidden beast` number, since 1 + 400 + 1 + 2 + 231 + 0 + 31 = 666.
It is not a de Polignac number, because 140012231031 - 213 = 140012222839 is a prime.
It is a super-2 number, since 2×1400122310312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 140012230995 and 140012231013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (140012231039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46576086 + ... + 46579091.
It is an arithmetic number, because the mean of its divisors is an integer number (16954242396).
Almost surely, 2140012231031 is an apocalyptic number.
140012231031 is a deficient number, since it is larger than the sum of its proper divisors (63438677721).
140012231031 is a wasteful number, since it uses less digits than its factorization.
140012231031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93155350 (or 93155347 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 140012231031 its reverse (130132210041), we get a palindrome (270144441072).
The spelling of 140012231031 in words is "one hundred forty billion, twelve million, two hundred thirty-one thousand, thirty-one".
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