Base | Representation |
---|---|
bin | 11101110010011100111000… |
… | …111110000001100101101101 |
3 | 122011212110121002000101200102 |
4 | 131302130320332001211231 |
5 | 114132433140330312141 |
6 | 1142345153143240445 |
7 | 36411120302262620 |
oct | 3562347076014555 |
9 | 564773532011612 |
10 | 131010343213421 |
11 | 388201a1347491 |
12 | 1283a822a49125 |
13 | 58142b7689349 |
14 | 244cd12189db7 |
15 | 1022d2ddb599b |
hex | 772738f8196d |
131010343213421 has 32 divisors (see below), whose sum is σ = 157858919792640. Its totient is φ = 106214037519744.
The previous prime is 131010343213391. The next prime is 131010343213441. The reversal of 131010343213421 is 124312343010131.
It is not a de Polignac number, because 131010343213421 - 214 = 131010343197037 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 (131010343213441) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217185596 + ... + 217787978.
It is an arithmetic number, because the mean of its divisors is an integer number (4933091243520).
Almost surely, 2131010343213421 is an apocalyptic number.
It is an amenable number.
131010343213421 is a deficient number, since it is larger than the sum of its proper divisors (26848576579219).
131010343213421 is a wasteful number, since it uses less digits than its factorization.
131010343213421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 605025.
The product of its (nonzero) digits is 5184, while the sum is 29.
Adding to 131010343213421 its reverse (124312343010131), we get a palindrome (255322686223552).
The spelling of 131010343213421 in words is "one hundred thirty-one trillion, ten billion, three hundred forty-three million, two hundred thirteen thousand, four hundred twenty-one".
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