Search a number
-
+
1212020093 is a prime number
BaseRepresentation
bin100100000111101…
…1111010101111101
310010110122000000002
41020033133111331
54440234120333
6320133444045
742015000164
oct11017372575
93113560002
101212020093
115721766a9
12299aa0625
1316414266b
14b6d7c3db
15716120e8
hex483df57d

1212020093 has 2 divisors, whose sum is σ = 1212020094. Its totient is φ = 1212020092.

The previous prime is 1212020077. The next prime is 1212020123. The reversal of 1212020093 is 3900202121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1211179204 + 840889 = 34802^2 + 917^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212020093 - 24 = 1212020077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212025093) 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 as a sum of consecutive naturals, namely, 606010046 + 606010047.

It is an arithmetic number, because the mean of its divisors is an integer number (606010047).

Almost surely, 21212020093 is an apocalyptic number.

It is an amenable number.

1212020093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212020093 is an equidigital number, since it uses as much as digits as its factorization.

1212020093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1212020093 is about 34814.0789480348. The cubic root of 1212020093 is about 1066.1949141219.

The spelling of 1212020093 in words is "one billion, two hundred twelve million, twenty thousand, ninety-three".