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130755533 is a prime number
BaseRepresentation
bin1111100101100…
…10101111001101
3100010001001212112
413302302233031
5231433134113
620550313405
73145255316
oct762625715
9303031775
10130755533
1167898627
1237958865
132112164c
141351960d
15b72c5a8
hex7cb2bcd

130755533 has 2 divisors, whose sum is σ = 130755534. Its totient is φ = 130755532.

The previous prime is 130755491. The next prime is 130755557. The reversal of 130755533 is 335557031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124590244 + 6165289 = 11162^2 + 2483^2 .

It is an emirp because it is prime and its reverse (335557031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130755533 - 28 = 130755277 is a prime.

It is a super-2 number, since 2×1307555332 = 34194018820228178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130755533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130755563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65377766 + 65377767.

It is an arithmetic number, because the mean of its divisors is an integer number (65377767).

Almost surely, 2130755533 is an apocalyptic number.

It is an amenable number.

130755533 is a deficient number, since it is larger than the sum of its proper divisors (1).

130755533 is an equidigital number, since it uses as much as digits as its factorization.

130755533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23625, while the sum is 32.

The square root of 130755533 is about 11434.8385646672. The cubic root of 130755533 is about 507.5591855068.

The spelling of 130755533 in words is "one hundred thirty million, seven hundred fifty-five thousand, five hundred thirty-three".