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1214315303 = 6718124109
BaseRepresentation
bin100100001100000…
…1111101100100111
310010121221121102212
41020120033230213
54441331042203
6320254554035
742043336565
oct11030175447
93117847385
101214315303
115734a4073
1229a80891b
13164767286
14b73b8a35
15719171d8
hex4860fb27

1214315303 has 4 divisors (see below), whose sum is σ = 1232439480. Its totient is φ = 1196191128.

The previous prime is 1214315293. The next prime is 1214315309. The reversal of 1214315303 is 3035134121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3035134121 = 17209176369.

It is a cyclic number.

It is not a de Polignac number, because 1214315303 - 26 = 1214315239 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 (1214315309) 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, 9061988 + ... + 9062121.

It is an arithmetic number, because the mean of its divisors is an integer number (308109870).

Almost surely, 21214315303 is an apocalyptic number.

1214315303 is a deficient number, since it is larger than the sum of its proper divisors (18124177).

1214315303 is an equidigital number, since it uses as much as digits as its factorization.

1214315303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18124176.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1214315303 is about 34847.0271759299. The cubic root of 1214315303 is about 1066.8675097177.

Adding to 1214315303 its reverse (3035134121), we get a palindrome (4249449424).

The spelling of 1214315303 in words is "one billion, two hundred fourteen million, three hundred fifteen thousand, three hundred three".

Divisors: 1 67 18124109 1214315303