Base | Representation |
---|---|
bin | 1100000110110100110111… |
… | …1111000100111110111101 |
3 | 1202010120002012011211010000 |
4 | 3001231031333010332331 |
5 | 3221043232440001141 |
6 | 44151102301104513 |
7 | 2542501125241500 |
oct | 301551577047675 |
9 | 52116065154100 |
10 | 13311412031421 |
11 | 427237a078119 |
12 | 15aba10b58139 |
13 | 757350ba632a |
14 | 3403c0a51137 |
15 | 1813d8b735b6 |
hex | c1b4dfc4fbd |
13311412031421 has 30 divisors (see below), whose sum is σ = 23131471103070. Its totient is φ = 7606521158544.
The previous prime is 13311412031279. The next prime is 13311412031459. The reversal of 13311412031421 is 12413021411331.
13311412031421 is a `hidden beast` number, since 1 + 3 + 3 + 114 + 120 + 3 + 1 + 421 = 666.
It can be written as a sum of positive squares in only one way, i.e., 12054297924900 + 1257114106521 = 3471930^2 + 1121211^2 .
It is not a de Polignac number, because 13311412031421 - 214 = 13311412015037 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13311412031471) by changing a digit.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1676918686 + ... + 1676926623.
It is an arithmetic number, because the mean of its divisors is an integer number (771049036769).
Almost surely, 213311412031421 is an apocalyptic number.
It is an amenable number.
13311412031421 is a deficient number, since it is larger than the sum of its proper divisors (9820059071649).
13311412031421 is an equidigital number, since it uses as much as digits as its factorization.
13311412031421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3353845335 (or 3353845319 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
Adding to 13311412031421 its reverse (12413021411331), we get a palindrome (25724433442752).
The spelling of 13311412031421 in words is "thirteen trillion, three hundred eleven billion, four hundred twelve million, thirty-one thousand, four hundred twenty-one".
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