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54021415143 = 3117773152897
BaseRepresentation
bin110010010011111011…
…010110000011100111
312011102211211020010110
4302103323112003213
51341113440241033
640452254224103
73621462311103
oct622373260347
9164384736113
1054021415143
1120a01753843
12a5777b5033
13512bc4ba07
14288685a903
15161294a363
hexc93ed60e7

54021415143 has 8 divisors (see below), whose sum is σ = 72029636208. Its totient is φ = 36013735424.

The previous prime is 54021415121. The next prime is 54021415153. The reversal of 54021415143 is 34151412045.

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 54021415143 - 26 = 54021415079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54021415143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54021415103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276871 + ... + 429767.

It is an arithmetic number, because the mean of its divisors is an integer number (9003704526).

Almost surely, 254021415143 is an apocalyptic number.

54021415143 is a deficient number, since it is larger than the sum of its proper divisors (18008221065).

54021415143 is a wasteful number, since it uses less digits than its factorization.

54021415143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270673.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 54021415143 its reverse (34151412045), we get a palindrome (88172827188).

The spelling of 54021415143 in words is "fifty-four billion, twenty-one million, four hundred fifteen thousand, one hundred forty-three".

Divisors: 1 3 117773 152897 353319 458691 18007138381 54021415143