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143706653653 = 192419709253
BaseRepresentation
bin1000010111010110010…
…1011000001111010101
3111201221011102101122211
42011311211120033111
54323302400404103
6150003512153421
713245120254503
oct2056545301725
9451834371584
10143706653653
1155a44728972
1223a27098871
13107227a5294
146d53a21673
153b1134e36d
hex21759583d5

143706653653 has 12 divisors (see below), whose sum is σ = 155367482508. Its totient is φ = 132822567360.

The previous prime is 143706653647. The next prime is 143706653669. The reversal of 143706653653 is 356356607341.

143706653653 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 2 ways, for example, as 14726550609 + 128980103044 = 121353^2 + 359138^2 .

It is a de Polignac number, because none of the positive numbers 2k-143706653653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143706653597 and 143706653606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143706653683) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4839826 + ... + 4869427.

It is an arithmetic number, because the mean of its divisors is an integer number (12947290209).

Almost surely, 2143706653653 is an apocalyptic number.

It is an amenable number.

143706653653 is a deficient number, since it is larger than the sum of its proper divisors (11660828855).

143706653653 is an equidigital number, since it uses as much as digits as its factorization.

143706653653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9709332 (or 9709313 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 49.

The spelling of 143706653653 in words is "one hundred forty-three billion, seven hundred six million, six hundred fifty-three thousand, six hundred fifty-three".

Divisors: 1 19 41 361 779 14801 9709253 184475807 398079373 3505040333 7563508087 143706653653