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54052020321 = 3131385949239
BaseRepresentation
bin110010010101110000…
…000110000001100001
312011111222102010112120
4302111300012001201
51341144304122241
640455310214453
73622313410035
oct622560060141
9164458363476
1054052020321
1120a17a57982
12a585ab4429
1351353a62a0
14288a9461c5
151615493666
hexc95c06061

54052020321 has 8 divisors (see below), whose sum is σ = 77613157440. Its totient is φ = 33262781712.

The previous prime is 54052020289. The next prime is 54052020371. The reversal of 54052020321 is 12302025045.

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

It is not a de Polignac number, because 54052020321 - 25 = 54052020289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54052020291 and 54052020300.

It is not an unprimeable number, because it can be changed into a prime (54052020371) 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 7 ways as a sum of consecutive naturals, for example, 692974581 + ... + 692974658.

It is an arithmetic number, because the mean of its divisors is an integer number (9701644680).

Almost surely, 254052020321 is an apocalyptic number.

It is an amenable number.

54052020321 is a deficient number, since it is larger than the sum of its proper divisors (23561137119).

54052020321 is a wasteful number, since it uses less digits than its factorization.

54052020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385949255.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 54052020321 its reverse (12302025045), we get a palindrome (66354045366).

The spelling of 54052020321 in words is "fifty-four billion, fifty-two million, twenty thousand, three hundred twenty-one".

Divisors: 1 3 13 39 1385949239 4157847717 18017340107 54052020321