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13150849985 = 571353619881
BaseRepresentation
bin11000011111101101…
…00000101111000001
31020221111122101201222
430033312200233001
5203413104144420
610012540204425
7643614244340
oct141766405701
936844571658
1013150849985
115639348269
122670239715
13131770a750
148ca7d5b57
1551e7ed225
hex30fda0bc1

13150849985 has 64 divisors (see below), whose sum is σ = 19843729920. Its totient is φ = 8144547840.

The previous prime is 13150849963. The next prime is 13150849991. The reversal of 13150849985 is 58994805131.

It is a happy number.

13150849985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13150849985 - 212 = 13150845889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

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 63 ways as a sum of consecutive naturals, for example, 14926745 + ... + 14927625.

It is an arithmetic number, because the mean of its divisors is an integer number (310058280).

Almost surely, 213150849985 is an apocalyptic number.

It is an amenable number.

13150849985 is a deficient number, since it is larger than the sum of its proper divisors (6692879935).

13150849985 is a wasteful number, since it uses less digits than its factorization.

13150849985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578.

The product of its (nonzero) digits is 1555200, while the sum is 53.

The spelling of 13150849985 in words is "thirteen billion, one hundred fifty million, eight hundred forty-nine thousand, nine hundred eighty-five".

Divisors: 1 5 7 13 35 53 65 91 265 371 455 619 689 881 1855 3095 3445 4333 4405 4823 6167 8047 11453 21665 24115 30835 32807 40235 46693 56329 57265 80171 164035 229649 233465 281645 326851 400855 426491 545339 607009 1148245 1634255 2132455 2726695 2985437 3035045 3817373 4249063 7089407 14927185 19086865 21245315 28902967 35447035 49625849 144514835 202320769 248129245 375738571 1011603845 1878692855 2630169997 13150849985