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1214201253 = 3404733751
BaseRepresentation
bin100100001011111…
…0011110110100101
310010121201210222210
41020113303312211
54441313420003
6320252314033
742042353226
oct11027636645
93117653883
101214201253
11573426411
1229a772919
131647273a5
14b738924d
15718e3503
hex485f3da5

1214201253 has 4 divisors (see below), whose sum is σ = 1618935008. Its totient is φ = 809467500.

The previous prime is 1214201239. The next prime is 1214201291. The reversal of 1214201253 is 3521024121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1214201253 - 216 = 1214135717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214203253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202366873 + ... + 202366878.

It is an arithmetic number, because the mean of its divisors is an integer number (404733752).

Almost surely, 21214201253 is an apocalyptic number.

It is an amenable number.

1214201253 is a deficient number, since it is larger than the sum of its proper divisors (404733755).

1214201253 is an equidigital number, since it uses as much as digits as its factorization.

1214201253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404733754.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1214201253 is about 34845.3906994885. The cubic root of 1214201253 is about 1066.8341081652.

Adding to 1214201253 its reverse (3521024121), we get a palindrome (4735225374).

The spelling of 1214201253 in words is "one billion, two hundred fourteen million, two hundred one thousand, two hundred fifty-three".

Divisors: 1 3 404733751 1214201253