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143542303121 = 7191079265437
BaseRepresentation
bin1000010110101111001…
…0011011100110010001
3111201111201011112010002
42011223302123212101
54322433312144441
6145535321415345
713241053305440
oct2055362334621
9451451145102
10143542303121
115596a984988
12239a003a555
13106c7720549
146d39c7cd57
153b01bd7b9b
hex216bc9b991

143542303121 has 8 divisors (see below), whose sum is σ = 172682470080. Its totient is φ = 116560667088.

The previous prime is 143542303117. The next prime is 143542303133. The reversal of 143542303121 is 121303245341.

143542303121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143542303121 - 22 = 143542303117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143542302121) 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, 539632586 + ... + 539632851.

It is an arithmetic number, because the mean of its divisors is an integer number (21585308760).

Almost surely, 2143542303121 is an apocalyptic number.

It is an amenable number.

143542303121 is a deficient number, since it is larger than the sum of its proper divisors (29140166959).

143542303121 is a wasteful number, since it uses less digits than its factorization.

143542303121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079265463.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 143542303121 its reverse (121303245341), we get a palindrome (264845548462).

The spelling of 143542303121 in words is "one hundred forty-three billion, five hundred forty-two million, three hundred three thousand, one hundred twenty-one".

Divisors: 1 7 19 133 1079265437 7554858059 20506043303 143542303121