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272863103769 = 321741212
BaseRepresentation
bin1111111000011111101…
…0001000101100011001
3222002022022001212101100
43332013322020230121
513432310423310034
6325203535142013
725466542053654
oct3760772105431
9862268055340
10272863103769
11a57a2121533
1244a71374909
131c966989669
14d2c706689b
1571700d7099
hex3f87e88b19

272863103769 has 9 divisors (see below), whose sum is σ = 394137857919. Its totient is φ = 181907691120.

The previous prime is 272863103731. The next prime is 272863103803. The reversal of 272863103769 is 967301368272.

The square root of 272863103769 is 522363.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 65145926169 + 207717177600 = 255237^2 + 455760^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 272863103769 - 213 = 272863095577 is a prime.

It is a super-2 number, since 2×2728631037692 (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (272863103729) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1480029 + ... + 1654149.

Almost surely, 2272863103769 is an apocalyptic number.

272863103769 is the 522363-rd square number.

272863103769 is the 261182-nd centered octagonal number.

It is an amenable number.

272863103769 is a deficient number, since it is larger than the sum of its proper divisors (121274754150).

272863103769 is an frugal number, since it uses more digits than its factorization.

272863103769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348248 (or 174124 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 272863103769 in words is "two hundred seventy-two billion, eight hundred sixty-three million, one hundred three thousand, seven hundred sixty-nine".

Divisors: 1 3 9 174121 522363 1567089 30318122641 90954367923 272863103769