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30230867305 = 5231371918811
BaseRepresentation
bin11100001001111001…
…100110110101101001
32220000211201011210001
4130021321212311221
5443403100223210
621515440223001
72120102063242
oct341171466551
986024634701
1030230867305
111190359a061
125a3830aa61
132b0a169082
14166ad83cc9
15bbe02e03a
hex709e66d69

30230867305 has 16 divisors (see below), whose sum is σ = 38130632064. Its totient is φ = 22964318080.

The previous prime is 30230867299. The next prime is 30230867341. The reversal of 30230867305 is 50376803203.

It is not a de Polignac number, because 30230867305 - 217 = 30230736233 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 943651 + ... + 975160.

It is an arithmetic number, because the mean of its divisors is an integer number (2383164504).

Almost surely, 230230867305 is an apocalyptic number.

It is an amenable number.

30230867305 is a deficient number, since it is larger than the sum of its proper divisors (7899764759).

30230867305 is a wasteful number, since it uses less digits than its factorization.

30230867305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918976.

The product of its (nonzero) digits is 90720, while the sum is 37.

The spelling of 30230867305 in words is "thirty billion, two hundred thirty million, eight hundred sixty-seven thousand, three hundred five".

Divisors: 1 5 23 115 137 685 3151 15755 1918811 9594055 44132653 220663265 262877107 1314385535 6046173461 30230867305