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13383346838 = 219334671883
BaseRepresentation
bin11000111011011010…
…11010101010010110
31021112201010110110112
430131231122222112
5204402114044323
610052003323022
7652436366621
oct143555325226
937481113415
1013383346838
115748606624
122716080472
131353932354
1490d636db8
15534e26178
hex31db5aa96

13383346838 has 8 divisors (see below), whose sum is σ = 20179036488. Its totient is φ = 6657001344.

The previous prime is 13383346829. The next prime is 13383346943. The reversal of 13383346838 is 83864338331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×133833468382 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17335556 + ... + 17336327.

It is an arithmetic number, because the mean of its divisors is an integer number (2522379561).

Almost surely, 213383346838 is an apocalyptic number.

13383346838 is a deficient number, since it is larger than the sum of its proper divisors (6795689650).

13383346838 is a wasteful number, since it uses less digits than its factorization.

13383346838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34672078.

The product of its digits is 2985984, while the sum is 50.

The spelling of 13383346838 in words is "thirteen billion, three hundred eighty-three million, three hundred forty-six thousand, eight hundred thirty-eight".

Divisors: 1 2 193 386 34671883 69343766 6691673419 13383346838