Base | Representation |
---|---|
bin | 111101000011110001… |
… | …0101011000010011111 |
3 | 110112110012010012012212 |
4 | 1322013202223002133 |
5 | 4122014444012343 |
6 | 140123113351035 |
7 | 12321231245531 |
oct | 1720742530237 |
9 | 415405105185 |
10 | 131123032223 |
11 | 50677595937 |
12 | 214b4a0847b |
13 | c49875ab41 |
14 | 64bc6c1851 |
15 | 3626748c18 |
hex | 1e878ab09f |
131123032223 has 8 divisors (see below), whose sum is σ = 141237712896. Its totient is φ = 121376158200.
The previous prime is 131123032169. The next prime is 131123032273. The reversal of 131123032223 is 322230321131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131123032223 - 214 = 131123015839 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131123032273) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91950923 + ... + 91952348.
It is an arithmetic number, because the mean of its divisors is an integer number (17654714112).
Almost surely, 2131123032223 is an apocalyptic number.
131123032223 is a deficient number, since it is larger than the sum of its proper divisors (10114680673).
131123032223 is a wasteful number, since it uses less digits than its factorization.
131123032223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 183903325.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 131123032223 its reverse (322230321131), we get a palindrome (453353353354).
The spelling of 131123032223 in words is "one hundred thirty-one billion, one hundred twenty-three million, thirty-two thousand, two hundred twenty-three".
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