Base | Representation |
---|---|
bin | 100111011010000000… |
… | …000001000100011011 |
3 | 11001012210202120121021 |
4 | 213122000001010123 |
5 | 1143123402040011 |
6 | 31234332023311 |
7 | 3025351165606 |
oct | 473200010433 |
9 | 131183676537 |
10 | 42312143131 |
11 | 16a43113435 |
12 | 824a301b37 |
13 | 3cb40b98ab |
14 | 20956bb33d |
15 | 11799a6471 |
hex | 9da00111b |
42312143131 has 16 divisors (see below), whose sum is σ = 45773683200. Its totient is φ = 39009551680.
The previous prime is 42312143101. The next prime is 42312143141. The reversal of 42312143131 is 13134121324.
It is not a de Polignac number, because 42312143131 - 25 = 42312143099 is a prime.
It is a super-2 number, since 2×423121431312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 42312143096 and 42312143105.
It is not an unprimeable number, because it can be changed into a prime (42312143101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192031 + ... + 348568.
It is an arithmetic number, because the mean of its divisors is an integer number (2860855200).
Almost surely, 242312143131 is an apocalyptic number.
42312143131 is a gapful number since it is divisible by the number (41) formed by its first and last digit.
42312143131 is a deficient number, since it is larger than the sum of its proper divisors (3461540069).
42312143131 is a wasteful number, since it uses less digits than its factorization.
42312143131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 540746.
The product of its digits is 1728, while the sum is 25.
Adding to 42312143131 its reverse (13134121324), we get a palindrome (55446264455).
The spelling of 42312143131 in words is "forty-two billion, three hundred twelve million, one hundred forty-three thousand, one hundred thirty-one".
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