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30113519 is a prime number
BaseRepresentation
bin111001011011…
…1111011101111
32002122220222112
41302313323233
530202113034
62553234235
7513650342
oct162677357
962586875
1030113519
1115aa8807
12a10297b
136314867
143ddc459
15299c7ce
hex1cb7eef

30113519 has 2 divisors, whose sum is σ = 30113520. Its totient is φ = 30113518.

The previous prime is 30113507. The next prime is 30113533. The reversal of 30113519 is 91531103.

It is a weak prime.

It is an emirp because it is prime and its reverse (91531103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30113519 - 28 = 30113263 is a prime.

It is a super-2 number, since 2×301135192 = 1813648053126722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30113494 and 30113503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30113569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15056759 + 15056760.

It is an arithmetic number, because the mean of its divisors is an integer number (15056760).

Almost surely, 230113519 is an apocalyptic number.

30113519 is a deficient number, since it is larger than the sum of its proper divisors (1).

30113519 is an equidigital number, since it uses as much as digits as its factorization.

30113519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405, while the sum is 23.

The square root of 30113519 is about 5487.5786099153. The cubic root of 30113519 is about 311.1146794328.

The spelling of 30113519 in words is "thirty million, one hundred thirteen thousand, five hundred nineteen".