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28722032063 = 69148178629
BaseRepresentation
bin11010101111111101…
…110110110110111111
32202010200120101221022
4122233331312312333
5432310320011223
621110020454355
72034521146544
oct325775666677
982120511838
1028722032063
11111a992488a
125696b4a3bb
1329296a245a
141566820bcb
15b3183bac8
hex6aff76dbf

28722032063 has 8 divisors (see below), whose sum is σ = 28772903280. Its totient is φ = 28671189120.

The previous prime is 28722031993. The next prime is 28722032099. The reversal of 28722032063 is 36023022782.

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 28722032063 - 216 = 28721966527 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 (28722032263) 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, 3324233 + ... + 3332861.

It is an arithmetic number, because the mean of its divisors is an integer number (3596612910).

Almost surely, 228722032063 is an apocalyptic number.

28722032063 is a deficient number, since it is larger than the sum of its proper divisors (50871217).

28722032063 is an equidigital number, since it uses as much as digits as its factorization.

28722032063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14137.

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 28722032063 in words is "twenty-eight billion, seven hundred twenty-two million, thirty-two thousand, sixty-three".

Divisors: 1 691 4817 8629 3328547 5962639 41565893 28722032063