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143021026513 = 3711334207373
BaseRepresentation
bin1000010100110010110…
…1111010110011010001
3111200011101021221001001
42011030231322303101
54320401340322023
6145411500542001
713222123444531
oct2051455726321
9450141257031
10143021026513
1155722706072
1223875551901
1310643728c51
146cca9494c1
153ac106a6ad
hex214cb7acd1

143021026513 has 8 divisors (see below), whose sum is σ = 148186344168. Its totient is φ = 137924123904.

The previous prime is 143021026501. The next prime is 143021026517. The reversal of 143021026513 is 315620120341.

143021026513 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 4 ways, for example, as 36021382849 + 106999643664 = 189793^2 + 327108^2 .

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 143021026513 - 213 = 143021018321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143021026517) 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 7 ways as a sum of consecutive naturals, for example, 17099506 + ... + 17107867.

It is an arithmetic number, because the mean of its divisors is an integer number (18523293021).

Almost surely, 2143021026513 is an apocalyptic number.

It is an amenable number.

143021026513 is a deficient number, since it is larger than the sum of its proper divisors (5165317655).

143021026513 is a wasteful number, since it uses less digits than its factorization.

143021026513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34207523.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 143021026513 its reverse (315620120341), we get a palindrome (458641146854).

The spelling of 143021026513 in words is "one hundred forty-three billion, twenty-one million, twenty-six thousand, five hundred thirteen".

Divisors: 1 37 113 4181 34207373 1265672801 3865433149 143021026513