Base | Representation |
---|---|
bin | 11011111011010101010101… |
… | …00000110000000001000100 |
3 | 22001102221212222212001211200 |
4 | 31331222222200300001010 |
5 | 31022134344044011322 |
6 | 334340231135302500 |
7 | 15635615056334445 |
oct | 1575525240600104 |
9 | 261387788761750 |
10 | 61412303110212 |
11 | 186278a20aa17a |
12 | 6a7a14807aa30 |
13 | 2836203366522 |
14 | 112452ad032cc |
15 | 71771cda88ac |
hex | 37daaa830044 |
61412303110212 has 36 divisors (see below), whose sum is σ = 155238790087836. Its totient is φ = 20470486164480.
The previous prime is 61412303110127. The next prime is 61412303110219. The reversal of 61412303110212 is 21201130321416.
61412303110212 is a `hidden beast` number, since 6 + 1 + 412 + 3 + 0 + 31 + 1 + 0 + 212 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 37112293424196 + 24300009686016 = 6091986^2 + 4929504^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (61412303110219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9068589 + ... + 14320052.
It is an arithmetic number, because the mean of its divisors is an integer number (4312188613551).
Almost surely, 261412303110212 is an apocalyptic number.
It is an amenable number.
61412303110212 is an abundant number, since it is smaller than the sum of its proper divisors (93826486977624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61412303110212 is a wasteful number, since it uses less digits than its factorization.
61412303110212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23461588 (or 23461583 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
Adding to 61412303110212 its reverse (21201130321416), we get a palindrome (82613433431628).
The spelling of 61412303110212 in words is "sixty-one trillion, four hundred twelve billion, three hundred three million, one hundred ten thousand, two hundred twelve".
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