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272912513 is a prime number
BaseRepresentation
bin10000010001000…
…101000010000001
3201000112101120212
4100101011002001
51024331200023
643025243505
76522501206
oct2021050201
9630471525
10272912513
11130063235
1277493595
13447056c3
1428361cad
1518e5ce78
hex10445081

272912513 has 2 divisors, whose sum is σ = 272912514. Its totient is φ = 272912512.

The previous prime is 272912483. The next prime is 272912567. The reversal of 272912513 is 315219272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270503809 + 2408704 = 16447^2 + 1552^2 .

It is a cyclic number.

It is not a de Polignac number, because 272912513 - 26 = 272912449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 272912513.

It is not a weakly prime, because it can be changed into another prime (272912593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136456256 + 136456257.

It is an arithmetic number, because the mean of its divisors is an integer number (136456257).

Almost surely, 2272912513 is an apocalyptic number.

It is an amenable number.

272912513 is a deficient number, since it is larger than the sum of its proper divisors (1).

272912513 is an equidigital number, since it uses as much as digits as its factorization.

272912513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 272912513 is about 16520.0639526607. The cubic root of 272912513 is about 648.6461073629.

The spelling of 272912513 in words is "two hundred seventy-two million, nine hundred twelve thousand, five hundred thirteen".