Base | Representation |
---|---|
bin | 111101000001011010… |
… | …1110111000011000101 |
3 | 110112020200201212220120 |
4 | 1322002311313003011 |
5 | 4121334302113234 |
6 | 140111215252153 |
7 | 12316253055312 |
oct | 1720265670305 |
9 | 415220655816 |
10 | 131044176069 |
11 | 50637026064 |
12 | 2149251a059 |
13 | c48530b2b1 |
14 | 64b2035d09 |
15 | 361e86e049 |
hex | 1e82d770c5 |
131044176069 has 4 divisors (see below), whose sum is σ = 174725568096. Its totient is φ = 87362784044.
The previous prime is 131044176047. The next prime is 131044176077. The reversal of 131044176069 is 960671440131.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 131044176069 - 221 = 131042078917 is a prime.
It is a super-2 number, since 2×1310441760692 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 131044176069.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131044176089) 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 3 ways as a sum of consecutive naturals, for example, 21840696009 + ... + 21840696014.
It is an arithmetic number, because the mean of its divisors is an integer number (43681392024).
Almost surely, 2131044176069 is an apocalyptic number.
It is an amenable number.
131044176069 is a deficient number, since it is larger than the sum of its proper divisors (43681392027).
131044176069 is an equidigital number, since it uses as much as digits as its factorization.
131044176069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43681392026.
The product of its (nonzero) digits is 108864, while the sum is 42.
The spelling of 131044176069 in words is "one hundred thirty-one billion, forty-four million, one hundred seventy-six thousand, sixty-nine".
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