Base | Representation |
---|---|
bin | 111101000111000011… |
… | …1000010110100101011 |
3 | 110112201212110211022120 |
4 | 1322032013002310223 |
5 | 4122231201330443 |
6 | 140142051322323 |
7 | 12324040023312 |
oct | 1721607026453 |
9 | 415655424276 |
10 | 131233230123 |
11 | 50723812186 |
12 | 215258b03a3 |
13 | c4b55322b8 |
14 | 64cd1a9279 |
15 | 3631265083 |
hex | 1e8e1c2d2b |
131233230123 has 8 divisors (see below), whose sum is σ = 175955169600. Its totient is φ = 87000055368.
The previous prime is 131233230119. The next prime is 131233230127. The reversal of 131233230123 is 321032332131.
It is an interprime number because it is at equal distance from previous prime (131233230119) and next prime (131233230127).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131233230123 - 22 = 131233230119 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 131233230093 and 131233230102.
It is not an unprimeable number, because it can be changed into a prime (131233230127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122190553 + ... + 122191626.
It is an arithmetic number, because the mean of its divisors is an integer number (21994396200).
Almost surely, 2131233230123 is an apocalyptic number.
131233230123 is a deficient number, since it is larger than the sum of its proper divisors (44721939477).
131233230123 is a wasteful number, since it uses less digits than its factorization.
131233230123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 244382361.
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 131233230123 its reverse (321032332131), we get a palindrome (452265562254).
The spelling of 131233230123 in words is "one hundred thirty-one billion, two hundred thirty-three million, two hundred thirty thousand, one hundred twenty-three".
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