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30113023 is a prime number
BaseRepresentation
bin111001011011…
…1110011111111
32002122220022011
41302313303333
530202104043
62553232051
7513646033
oct162676377
962586264
1030113023
1115aa83a6
12a102627
136314575
143ddc1c3
15299c59d
hex1cb7cff

30113023 has 2 divisors, whose sum is σ = 30113024. Its totient is φ = 30113022.

The previous prime is 30113009. The next prime is 30113033. The reversal of 30113023 is 32031103.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30113023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30112994 and 30113012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30113033) 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, 15056511 + 15056512.

It is an arithmetic number, because the mean of its divisors is an integer number (15056512).

Almost surely, 230113023 is an apocalyptic number.

30113023 is a deficient number, since it is larger than the sum of its proper divisors (1).

30113023 is an equidigital number, since it uses as much as digits as its factorization.

30113023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 30113023 is about 5487.5334167547. The cubic root of 30113023 is about 311.1129712993.

Adding to 30113023 its reverse (32031103), we get a palindrome (62144126).

The spelling of 30113023 in words is "thirty million, one hundred thirteen thousand, twenty-three".