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2028272727391 = 16730803394291
BaseRepresentation
bin11101100000111110011…
…110011011010101011111
321011220022210222012202121
4131200332132123111133
5231212400304234031
64151435311403411
7266352326502511
oct35407636332537
97156283865677
102028272727391
11712205094399
12289114523567
1311935ab21471
1470251753bb1
1537b60167011
hex1d83e79b55f

2028272727391 has 8 divisors (see below), whose sum is σ = 2040489489024. Its totient is φ = 2016056816280.

The previous prime is 2028272727367. The next prime is 2028272727421. The reversal of 2028272727391 is 1937272728202.

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 2028272727391 - 223 = 2028264338783 is a prime.

It is a super-2 number, since 2×20282727273912 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028272727311) 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, 4946956 + ... + 5341246.

It is an arithmetic number, because the mean of its divisors is an integer number (255061186128).

Almost surely, 22028272727391 is an apocalyptic number.

2028272727391 is a deficient number, since it is larger than the sum of its proper divisors (12216761633).

2028272727391 is a wasteful number, since it uses less digits than its factorization.

2028272727391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425261.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 2028272727391 in words is "two trillion, twenty-eight billion, two hundred seventy-two million, seven hundred twenty-seven thousand, three hundred ninety-one".

Divisors: 1 167 30803 394291 5144101 65846597 12145345673 2028272727391