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272821027393 = 17311733298723
BaseRepresentation
bin1111111000010101100…
…1101000001001000001
3222002012100220011110001
43332011121220021001
513432214140334033
6325155433240001
725465521320215
oct3760531501101
9862170804401
10272821027393
11a57803a2972
1244a5b263001
131c95b0469b5
14d2c1632945
15716b574e7d
hex3f85668241

272821027393 has 16 divisors (see below), whose sum is σ = 298360751616. Its totient is φ = 248345521920.

The previous prime is 272821027363. The next prime is 272821027403. The reversal of 272821027393 is 393720128272.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-272821027393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272821027343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763930 + ... + 1062652.

It is an arithmetic number, because the mean of its divisors is an integer number (18647546976).

Almost surely, 2272821027393 is an apocalyptic number.

It is an amenable number.

272821027393 is a deficient number, since it is larger than the sum of its proper divisors (25539724223).

272821027393 is a wasteful number, since it uses less digits than its factorization.

272821027393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300504.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 272821027393 in words is "two hundred seventy-two billion, eight hundred twenty-one million, twenty-seven thousand, three hundred ninety-three".

Divisors: 1 17 31 527 1733 29461 53723 298723 913291 5078291 9260413 157427021 517686959 8800678303 16048295729 272821027393