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272130109 is a prime number
BaseRepresentation
bin10000001110000…
…110000000111101
3200222001122022221
4100032012000331
51024131130414
643000405341
76513032146
oct2016060075
9628048287
10272130109
1112a679419
1277176851
13444c0544
14281daacd
1518d56224
hex1038603d

272130109 has 2 divisors, whose sum is σ = 272130110. Its totient is φ = 272130108.

The previous prime is 272130091. The next prime is 272130119. The reversal of 272130109 is 901031272.

Together with previous prime (272130091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230888025 + 41242084 = 15195^2 + 6422^2 .

It is a cyclic number.

It is not a de Polignac number, because 272130109 - 25 = 272130077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272130119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136065054 + 136065055.

It is an arithmetic number, because the mean of its divisors is an integer number (136065055).

Almost surely, 2272130109 is an apocalyptic number.

It is an amenable number.

272130109 is a deficient number, since it is larger than the sum of its proper divisors (1).

272130109 is an equidigital number, since it uses as much as digits as its factorization.

272130109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 272130109 is about 16496.3665393322. The cubic root of 272130109 is about 648.0256532609.

The spelling of 272130109 in words is "two hundred seventy-two million, one hundred thirty thousand, one hundred nine".