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13383344129 = 171973996221
BaseRepresentation
bin11000111011011010…
…11010000000000001
31021112201010022202012
430131231122000001
5204402114003004
610052003302305
7652436356001
oct143555320001
937481108665
1013383344129
115748604591
12271607a995
13135393104c
1490d636001
15534e2546e
hex31db5a001

13383344129 has 8 divisors (see below), whose sum is σ = 14242535208. Its totient is φ = 12532145920.

The previous prime is 13383344083. The next prime is 13383344147. The reversal of 13383344129 is 92144338331.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7959316225 + 5424027904 = 89215^2 + 73648^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13383344129 - 228 = 13114908673 is a prime.

It is a super-2 number, since 2×133833441292 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13383344729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1994762 + ... + 2001459.

It is an arithmetic number, because the mean of its divisors is an integer number (1780316901).

Almost surely, 213383344129 is an apocalyptic number.

It is an amenable number.

13383344129 is a deficient number, since it is larger than the sum of its proper divisors (859191079).

13383344129 is a wasteful number, since it uses less digits than its factorization.

13383344129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996435.

The product of its digits is 186624, while the sum is 41.

The spelling of 13383344129 in words is "thirteen billion, three hundred eighty-three million, three hundred forty-four thousand, one hundred twenty-nine".

Divisors: 1 17 197 3349 3996221 67935757 787255537 13383344129