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272133981917 = 725553754733
BaseRepresentation
bin1111110101110001110…
…0110000011011011101
3222000102111002122020022
43331130130300123131
513424312244410132
6325003331401525
725442506452200
oct3753434603335
9860374078208
10272133981917
11a54585a1496
12448a91532a5
131c87b8c1c05
14d2582ab937
15712b0b0e12
hex3f5c7306dd

272133981917 has 6 divisors (see below), whose sum is σ = 316564019838. Its totient is φ = 233257698744.

The previous prime is 272133981901. The next prime is 272133981929. The reversal of 272133981917 is 719189331272.

It can be written as a sum of positive squares in only one way, i.e., 223904990596 + 48228991321 = 473186^2 + 219611^2 .

It is not a de Polignac number, because 272133981917 - 24 = 272133981901 is a prime.

It is a super-2 number, since 2×2721339819172 (a number of 24 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 (272133981017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2776877318 + ... + 2776877415.

It is an arithmetic number, because the mean of its divisors is an integer number (52760669973).

Almost surely, 2272133981917 is an apocalyptic number.

It is an amenable number.

272133981917 is a deficient number, since it is larger than the sum of its proper divisors (44430037921).

272133981917 is an equidigital number, since it uses as much as digits as its factorization.

272133981917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553754747 (or 5553754740 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 53.

The spelling of 272133981917 in words is "two hundred seventy-two billion, one hundred thirty-three million, nine hundred eighty-one thousand, nine hundred seventeen".

Divisors: 1 7 49 5553754733 38876283131 272133981917