Base | Representation |
---|---|
bin | 110000001110110010000111… |
… | …100111111001111111000011 |
3 | 1000211001200021021102002200002 |
4 | 300032302013213321333003 |
5 | 210300402100232401011 |
6 | 2031051320131150215 |
7 | 62452213612031111 |
oct | 6016620747717703 |
9 | 1024050237362602 |
10 | 212122120200131 |
11 | 61652538927a89 |
12 | 1b95a830a4536b |
13 | 91490511a71cb |
14 | 3a54aa0372ab1 |
15 | 197cbb316cc3b |
hex | c0ec879f9fc3 |
212122120200131 has 16 divisors (see below), whose sum is σ = 213684933396480. Its totient is φ = 210561413479200.
The previous prime is 212122120200079. The next prime is 212122120200163. The reversal of 212122120200131 is 131002021221212.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-212122120200131 is a prime.
It is a super-2 number, since 2×2121221202001312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212122120500131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2748832310 + ... + 2748909476.
It is an arithmetic number, because the mean of its divisors is an integer number (13355308337280).
Almost surely, 2212122120200131 is an apocalyptic number.
212122120200131 is a deficient number, since it is larger than the sum of its proper divisors (1562813196349).
212122120200131 is a wasteful number, since it uses less digits than its factorization.
212122120200131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90554.
The product of its (nonzero) digits is 192, while the sum is 20.
Adding to 212122120200131 its reverse (131002021221212), we get a palindrome (343124141421343).
The spelling of 212122120200131 in words is "two hundred twelve trillion, one hundred twenty-two billion, one hundred twenty million, two hundred thousand, one hundred thirty-one".
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