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11312669 is a prime number
BaseRepresentation
bin101011001001…
…111000011101
3210021202001202
4223021320131
510344001134
61042245245
7165104354
oct53117035
923252052
1011312669
116427415
123956825
1324611b4
14170699b
15ed6d7e
hexac9e1d

11312669 has 2 divisors, whose sum is σ = 11312670. Its totient is φ = 11312668.

The previous prime is 11312663. The next prime is 11312677. The reversal of 11312669 is 96621311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11256025 + 56644 = 3355^2 + 238^2 .

It is an emirp because it is prime and its reverse (96621311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11312669 - 216 = 11247133 is a prime.

It is a super-2 number, since 2×113126692 = 255952959807122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11312663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656334 + 5656335.

It is an arithmetic number, because the mean of its divisors is an integer number (5656335).

Almost surely, 211312669 is an apocalyptic number.

It is an amenable number.

11312669 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312669 is an equidigital number, since it uses as much as digits as its factorization.

11312669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 29.

The square root of 11312669 is about 3363.4311350167. The cubic root of 11312669 is about 224.4855340272.

The spelling of 11312669 in words is "eleven million, three hundred twelve thousand, six hundred sixty-nine".