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13303343450 = 252266066869
BaseRepresentation
bin11000110001111000…
…01110100101011010
31021100010120212110002
430120330032211122
5204221123442300
610040024453002
7650445360605
oct143074164532
937303525402
1013303343450
115707432921
1226b331a162
1313401a0577
14902b6d33c
1552cdc15d5
hex318f0e95a

13303343450 has 12 divisors (see below), whose sum is σ = 24744218910. Its totient is φ = 5321337360.

The previous prime is 13303343393. The next prime is 13303343477. The reversal of 13303343450 is 5434330331.

It is a happy number.

13303343450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 9426662281 + 3876681169 = 97091^2 + 62263^2 .

It is a Curzon number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 133033385 + ... + 133033484.

Almost surely, 213303343450 is an apocalyptic number.

13303343450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13303343450 is a deficient number, since it is larger than the sum of its proper divisors (11440875460).

13303343450 is a wasteful number, since it uses less digits than its factorization.

13303343450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266066881 (or 266066876 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 29.

Adding to 13303343450 its reverse (5434330331), we get a palindrome (18737673781).

The spelling of 13303343450 in words is "thirteen billion, three hundred three million, three hundred forty-three thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 266066869 532133738 1330334345 2660668690 6651671725 13303343450