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52790448143 = 173105320479
BaseRepresentation
bin110001001010100011…
…100101000000001111
312001021001112121212002
4301022203211000033
51331103323320033
640130202302515
73546124256036
oct611243450017
9161231477762
1052790448143
112042a917044
12a2934b7a3b
134c93c04384
1427ab18971d
15158e8443e8
hexc4a8e500f

52790448143 has 4 divisors (see below), whose sum is σ = 55895768640. Its totient is φ = 49685127648.

The previous prime is 52790448133. The next prime is 52790448199. The reversal of 52790448143 is 34184409725.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52790448143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52790448133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1552660223 + ... + 1552660256.

It is an arithmetic number, because the mean of its divisors is an integer number (13973942160).

Almost surely, 252790448143 is an apocalyptic number.

52790448143 is a deficient number, since it is larger than the sum of its proper divisors (3105320497).

52790448143 is a wasteful number, since it uses less digits than its factorization.

52790448143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105320496.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 52790448143 in words is "fifty-two billion, seven hundred ninety million, four hundred forty-eight thousand, one hundred forty-three".

Divisors: 1 17 3105320479 52790448143