Base | Representation |
---|---|
bin | 11101110110101011101100… |
… | …001010000110100111001101 |
3 | 122012220021010021100221202211 |
4 | 131312223230022012213031 |
5 | 114202214134222411341 |
6 | 1143130522010150421 |
7 | 36441122651650120 |
oct | 3566535412064715 |
9 | 565807107327684 |
10 | 131301112310221 |
11 | 38922541982567 |
12 | 12887050a22411 |
13 | 5835845c50549 |
14 | 245d01736c3b7 |
15 | 102a69ae87181 |
hex | 776aec2869cd |
131301112310221 has 8 divisors (see below), whose sum is σ = 150062296571264. Its totient is φ = 112540898674800.
The previous prime is 131301112310191. The next prime is 131301112310237. The reversal of 131301112310221 is 122013211103131.
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 131301112310221 - 221 = 131301110213069 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 131301112310192 and 131301112310201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131301212310221) 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, 242366505 + ... + 242907646.
It is an arithmetic number, because the mean of its divisors is an integer number (18757787071408).
Almost surely, 2131301112310221 is an apocalyptic number.
It is an amenable number.
131301112310221 is a deficient number, since it is larger than the sum of its proper divisors (18761184261043).
131301112310221 is an equidigital number, since it uses as much as digits as its factorization.
131301112310221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 485312811.
The product of its (nonzero) digits is 216, while the sum is 22.
Adding to 131301112310221 its reverse (122013211103131), we get a palindrome (253314323413352).
The spelling of 131301112310221 in words is "one hundred thirty-one trillion, three hundred one billion, one hundred twelve million, three hundred ten thousand, two hundred twenty-one".
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