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1214420213 is a prime number
BaseRepresentation
bin100100001100010…
…1001010011110101
310010122010221100102
41020120221103311
54441342421323
6320301123445
742044254466
oct11030512365
93118127312
101214420213
11573565976
1229a859585
131647a2c56
14b7404d6d
1571938328
hex486294f5

1214420213 has 2 divisors, whose sum is σ = 1214420214. Its totient is φ = 1214420212.

The previous prime is 1214420209. The next prime is 1214420231. The reversal of 1214420213 is 3120244121.

Together with next prime (1214420231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 922762129 + 291658084 = 30377^2 + 17078^2 .

It is an emirp because it is prime and its reverse (3120244121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1214420213 - 22 = 1214420209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214420203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607210106 + 607210107.

It is an arithmetic number, because the mean of its divisors is an integer number (607210107).

Almost surely, 21214420213 is an apocalyptic number.

It is an amenable number.

1214420213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214420213 is an equidigital number, since it uses as much as digits as its factorization.

1214420213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1214420213 is about 34848.5324368186. The cubic root of 1214420213 is about 1066.8982326135.

Adding to 1214420213 its reverse (3120244121), we get a palindrome (4334664334).

The spelling of 1214420213 in words is "one billion, two hundred fourteen million, four hundred twenty thousand, two hundred thirteen".