Base | Representation |
---|---|
bin | 11101110101001101111001… |
… | …111001001101001110010101 |
3 | 122012112122012020010220111012 |
4 | 131311031321321031032111 |
5 | 114144041420210433141 |
6 | 1143012345312222005 |
7 | 36430626331130105 |
oct | 3565157171151625 |
9 | 565478166126435 |
10 | 131200411030421 |
11 | 38893866703587 |
12 | 1286b62823a905 |
13 | 58291b8074055 |
14 | 24581c311d205 |
15 | 1027c553c5ceb |
hex | 775379e4d395 |
131200411030421 has 8 divisors (see below), whose sum is σ = 131778408029184. Its totient is φ = 130623219604800.
The previous prime is 131200411030393. The next prime is 131200411030433. The reversal of 131200411030421 is 124030114002131.
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 131200411030421 - 222 = 131200406836117 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131200411030621) 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, 201066836 + ... + 201718301.
It is an arithmetic number, because the mean of its divisors is an integer number (16472301003648).
Almost surely, 2131200411030421 is an apocalyptic number.
It is an amenable number.
131200411030421 is a deficient number, since it is larger than the sum of its proper divisors (577996998763).
131200411030421 is a wasteful number, since it uses less digits than its factorization.
131200411030421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 402786571.
The product of its (nonzero) digits is 576, while the sum is 23.
Adding to 131200411030421 its reverse (124030114002131), we get a palindrome (255230525032552).
The spelling of 131200411030421 in words is "one hundred thirty-one trillion, two hundred billion, four hundred eleven million, thirty thousand, four hundred twenty-one".
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