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30340142145 = 3252329314147
BaseRepresentation
bin11100010000011010…
…011101010001000001
32220022110022220200100
4130100122131101001
5444114034022040
621534342313013
72122566644625
oct342032352101
986273286610
1030340142145
111195a245945
125a68a28769
132b269a9341
14167b6ab185
15bc8916b30
hex71069d441

30340142145 has 24 divisors (see below), whose sum is σ = 54876085056. Its totient is φ = 15477869088.

The previous prime is 30340142111. The next prime is 30340142159. The reversal of 30340142145 is 54124104303.

It is a happy number.

It is not a de Polignac number, because 30340142145 - 28 = 30340141889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14656039 + ... + 14658108.

It is an arithmetic number, because the mean of its divisors is an integer number (2286503544).

Almost surely, 230340142145 is an apocalyptic number.

It is an amenable number.

30340142145 is a deficient number, since it is larger than the sum of its proper divisors (24535942911).

30340142145 is a wasteful number, since it uses less digits than its factorization.

30340142145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29314181 (or 29314178 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 30340142145 its reverse (54124104303), we get a palindrome (84464246448).

The spelling of 30340142145 in words is "thirty billion, three hundred forty million, one hundred forty-two thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 23 45 69 115 207 345 1035 29314147 87942441 146570735 263827323 439712205 674225381 1319136615 2022676143 3371126905 6068028429 10113380715 30340142145