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132011281 is a prime number
BaseRepresentation
bin1111101111001…
…01010100010001
3100012101212102201
413313211110101
5232243330111
621033243201
73162035353
oct767452421
9305355381
10132011281
1168576036
1238263501
13214710ac
14137650d3
15b8c96c1
hex7de5511

132011281 has 2 divisors, whose sum is σ = 132011282. Its totient is φ = 132011280.

The previous prime is 132011279. The next prime is 132011303. The reversal of 132011281 is 182110231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119159056 + 12852225 = 10916^2 + 3585^2 .

It is a cyclic number.

It is not a de Polignac number, because 132011281 - 21 = 132011279 is a prime.

It is a super-2 number, since 2×1320112812 = 34853956622521922, which contains 22 as substring.

Together with 132011279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (132012281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66005640 + 66005641.

It is an arithmetic number, because the mean of its divisors is an integer number (66005641).

Almost surely, 2132011281 is an apocalyptic number.

It is an amenable number.

132011281 is a deficient number, since it is larger than the sum of its proper divisors (1).

132011281 is an equidigital number, since it uses as much as digits as its factorization.

132011281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 132011281 is about 11489.6162250965. The cubic root of 132011281 is about 509.1788413075.

The spelling of 132011281 in words is "one hundred thirty-two million, eleven thousand, two hundred eighty-one".