Base | Representation |
---|---|
bin | 1100010111101100011… |
… | …0001100110001011010 |
3 | 202022112210021111002021 |
4 | 3011323012030301122 |
5 | 11440214231322000 |
6 | 241344003325054 |
7 | 21232260316066 |
oct | 3057306146132 |
9 | 668483244067 |
10 | 212518620250 |
11 | 82146247952 |
12 | 3523008078a |
13 | 1706aa58191 |
14 | a400940aa6 |
15 | 57dc4da11a |
hex | 317b18cc5a |
212518620250 has 16 divisors (see below), whose sum is σ = 397834857576. Its totient is φ = 85007448000.
The previous prime is 212518620217. The next prime is 212518620257. The reversal of 212518620250 is 52026815212.
212518620250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 8708809041 + 203809811209 = 93321^2 + 451453^2 .
It is not an unprimeable number, because it can be changed into a prime (212518620257) 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 7 ways as a sum of consecutive naturals, for example, 425036991 + ... + 425037490.
Almost surely, 2212518620250 is an apocalyptic number.
212518620250 is a deficient number, since it is larger than the sum of its proper divisors (185316237326).
212518620250 is an equidigital number, since it uses as much as digits as its factorization.
212518620250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 850074498 (or 850074488 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 34.
The spelling of 212518620250 in words is "two hundred twelve billion, five hundred eighteen million, six hundred twenty thousand, two hundred fifty".
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