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272804382881 is a prime number
BaseRepresentation
bin1111111000010001101…
…0001000100010100001
3222002011012120112110122
43332010122020202201
513432200410223011
6325154040410025
725465226665022
oct3760432104241
9862135515418
10272804382881
11a5771a64678
1244a55776915
131c957769984
14d2bd33cc49
157169d883db
hex3f846888a1

272804382881 has 2 divisors, whose sum is σ = 272804382882. Its totient is φ = 272804382880.

The previous prime is 272804382791. The next prime is 272804382887. The reversal of 272804382881 is 188283408272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149100238225 + 123704144656 = 386135^2 + 351716^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-272804382881 is a prime.

It is a super-2 number, since 2×2728043828812 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (272804382887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136402191440 + 136402191441.

It is an arithmetic number, because the mean of its divisors is an integer number (136402191441).

Almost surely, 2272804382881 is an apocalyptic number.

It is an amenable number.

272804382881 is a deficient number, since it is larger than the sum of its proper divisors (1).

272804382881 is an equidigital number, since it uses as much as digits as its factorization.

272804382881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2752512, while the sum is 53.

The spelling of 272804382881 in words is "two hundred seventy-two billion, eight hundred four million, three hundred eighty-two thousand, eight hundred eighty-one".