Base | Representation |
---|---|
bin | 110000001111111011110111… |
… | …111001101001110100010101 |
3 | 1000211100020200101020000021020 |
4 | 300033323313321221310111 |
5 | 210303201242201441041 |
6 | 2031151534302311353 |
7 | 62461016235260205 |
oct | 6017736771516425 |
9 | 1024306611200236 |
10 | 212201313312021 |
11 | 61683087319090 |
12 | 1b972052588559 |
13 | 91536620b6b27 |
14 | 3a58853cac405 |
15 | 197ec9a8a3866 |
hex | c0fef7e69d15 |
212201313312021 has 8 divisors (see below), whose sum is σ = 308656455726624. Its totient is φ = 128606856552720.
The previous prime is 212201313311893. The next prime is 212201313312031. The reversal of 212201313312021 is 120213313102212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 212201313312021 - 27 = 212201313311893 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 212201313311982 and 212201313312000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212201313312031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3215171413786 + ... + 3215171413851.
It is an arithmetic number, because the mean of its divisors is an integer number (38582056965828).
Almost surely, 2212201313312021 is an apocalyptic number.
It is an amenable number.
212201313312021 is a deficient number, since it is larger than the sum of its proper divisors (96455142414603).
212201313312021 is a wasteful number, since it uses less digits than its factorization.
212201313312021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6430342827651.
The product of its (nonzero) digits is 864, while the sum is 24.
Adding to 212201313312021 its reverse (120213313102212), we get a palindrome (332414626414233).
The spelling of 212201313312021 in words is "two hundred twelve trillion, two hundred one billion, three hundred thirteen million, three hundred twelve thousand, twenty-one".
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