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1214020033 = 1816707293
BaseRepresentation
bin100100001011100…
…0111100111000001
310010121101121101221
41020113013213001
54441242120113
6320244355041
742041000002
oct11027074701
93117347357
101214020033
11573312246
1229a6a5a81
13164692a65
14b733d1a9
15718a998d
hex485c79c1

1214020033 has 4 divisors (see below), whose sum is σ = 1220727508. Its totient is φ = 1207312560.

The previous prime is 1214020019. The next prime is 1214020037. The reversal of 1214020033 is 3300204121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 166332609 + 1047687424 = 12897^2 + 32368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1214020033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1214019989 and 1214020016.

It is not an unprimeable number, because it can be changed into a prime (1214020037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3353466 + ... + 3353827.

It is an arithmetic number, because the mean of its divisors is an integer number (305181877).

Almost surely, 21214020033 is an apocalyptic number.

It is an amenable number.

1214020033 is a deficient number, since it is larger than the sum of its proper divisors (6707475).

1214020033 is an equidigital number, since it uses as much as digits as its factorization.

1214020033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6707474.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1214020033 is about 34842.7902585312. The cubic root of 1214020033 is about 1066.7810303920.

Adding to 1214020033 its reverse (3300204121), we get a palindrome (4514224154).

The spelling of 1214020033 in words is "one billion, two hundred fourteen million, twenty thousand, thirty-three".

Divisors: 1 181 6707293 1214020033