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28064083373 = 463529711443
BaseRepresentation
bin11010001000101111…
…111110110110101101
32200102211112011000022
4122020233332312231
5424433401131443
620520434411525
72012311526024
oct321057766655
980384464008
1028064083373
11109a1497237
125532730ba5
1328532974c1
1415032b18bb
15ae3bc3e68
hex688bfedad

28064083373 has 8 divisors (see below), whose sum is σ = 28132464768. Its totient is φ = 27995736384.

The previous prime is 28064083367. The next prime is 28064083381. The reversal of 28064083373 is 37338046082.

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 28064083373 - 24 = 28064083357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28064083303) 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, 2446790 + ... + 2458232.

It is an arithmetic number, because the mean of its divisors is an integer number (3516558096).

Almost surely, 228064083373 is an apocalyptic number.

It is an amenable number.

28064083373 is a deficient number, since it is larger than the sum of its proper divisors (68381395).

28064083373 is a wasteful number, since it uses less digits than its factorization.

28064083373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17203.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 28064083373 in words is "twenty-eight billion, sixty-four million, eighty-three thousand, three hundred seventy-three".

Divisors: 1 463 5297 11443 2452511 5298109 60613571 28064083373