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13230383858 = 21722910971549
BaseRepresentation
bin11000101001001011…
…11010001011110010
31021011001022010200222
430110211322023302
5204043434240413
610024501013042
7645601256456
oct142445721362
937131263628
1013230383858
11567a23023a
1226929b4182
13132b036903
148d71ba666
155267adb08
hex31497a2f2

13230383858 has 32 divisors (see below), whose sum is σ = 21137598000. Its totient is φ = 6189225984.

The previous prime is 13230383839. The next prime is 13230383869. The reversal of 13230383858 is 85838303231.

13230383858 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 8 ways, for example, as 9361917049 + 3868466809 = 96757^2 + 62197^2 .

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 15 ways as a sum of consecutive naturals, for example, 8540468 + ... + 8542016.

Almost surely, 213230383858 is an apocalyptic number.

13230383858 is a deficient number, since it is larger than the sum of its proper divisors (7907214142).

13230383858 is a wasteful number, since it uses less digits than its factorization.

13230383858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 13230383858 in words is "thirteen billion, two hundred thirty million, three hundred eighty-three thousand, eight hundred fifty-eight".

Divisors: 1 2 17 34 229 458 1097 1549 2194 3098 3893 7786 18649 26333 37298 52666 251213 354721 502426 709442 1699253 3398506 4270621 6030257 8541242 12060514 28887301 57774602 389128937 778257874 6615191929 13230383858