Base | Representation |
---|---|
bin | 1100011000011100100… |
… | …0010100011001101111 |
3 | 202100001212011011022022 |
4 | 3012013020110121233 |
5 | 11441122422034013 |
6 | 241420014340355 |
7 | 21240261302534 |
oct | 3060710243157 |
9 | 670055134268 |
10 | 212720502383 |
11 | 8223a1a5994 |
12 | 352877ba6bb |
13 | 170a082106c |
14 | a41d692d8b |
15 | 58000b7008 |
hex | 318721466f |
212720502383 has 2 divisors, whose sum is σ = 212720502384. Its totient is φ = 212720502382.
The previous prime is 212720502353. The next prime is 212720502433. The reversal of 212720502383 is 383205027212.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-212720502383 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (212720502343) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106360251191 + 106360251192.
It is an arithmetic number, because the mean of its divisors is an integer number (106360251192).
Almost surely, 2212720502383 is an apocalyptic number.
212720502383 is a deficient number, since it is larger than the sum of its proper divisors (1).
212720502383 is an equidigital number, since it uses as much as digits as its factorization.
212720502383 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 40320, while the sum is 35.
Adding to 212720502383 its reverse (383205027212), we get a palindrome (595925529595).
The spelling of 212720502383 in words is "two hundred twelve billion, seven hundred twenty million, five hundred two thousand, three hundred eighty-three".
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