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14156513281 = 67718393547
BaseRepresentation
bin11010010111100101…
…10100000000000001
31100112120222101102201
431023302310000001
5212443031411111
610300423113201
71010545243321
oct151362640001
940476871381
1014156513281
116004a89a59
1228b0ba2801
131447b7b5a1
149841b9281
1557cc4c6c1
hex34bcb4001

14156513281 has 16 divisors (see below), whose sum is σ = 14591646720. Its totient is φ = 13728551760.

The previous prime is 14156513263. The next prime is 14156513303. The reversal of 14156513281 is 18231565141.

It is a cyclic number.

It is not a de Polignac number, because 14156513281 - 213 = 14156505089 is a prime.

It is a super-2 number, since 2×141565132812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14156513281.

It is not an unprimeable number, because it can be changed into a prime (14156513081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3989350 + ... + 3992896.

It is an arithmetic number, because the mean of its divisors is an integer number (911977920).

Almost surely, 214156513281 is an apocalyptic number.

It is an amenable number.

14156513281 is a deficient number, since it is larger than the sum of its proper divisors (435133439).

14156513281 is an equidigital number, since it uses as much as digits as its factorization.

14156513281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524.

The product of its digits is 28800, while the sum is 37.

It can be divided in two parts, 141565 and 13281, that added together give a triangular number (154846 = T556).

The spelling of 14156513281 in words is "fourteen billion, one hundred fifty-six million, five hundred thirteen thousand, two hundred eighty-one".

Divisors: 1 67 71 839 3547 4757 56213 59569 237649 251837 2975933 3991123 16873079 199387511 211291243 14156513281