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30140215042 = 2717126639559
BaseRepresentation
bin11100000100011111…
…110010111100000010
32212210112010120020211
4130010133302330002
5443211343340132
621502441224334
72114621413030
oct340437627402
985715116224
1030140215042
1111867402733
125a11a920aa
132ac4449292
14165cd07550
15bb60c4147
hex7047f2f02

30140215042 has 16 divisors (see below), whose sum is σ = 54708289920. Its totient is φ = 12157397568.

The previous prime is 30140215009. The next prime is 30140215073. The reversal of 30140215042 is 24051204103.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 63319542 + ... + 63320017.

It is an arithmetic number, because the mean of its divisors is an integer number (3419268120).

Almost surely, 230140215042 is an apocalyptic number.

30140215042 is a deficient number, since it is larger than the sum of its proper divisors (24568074878).

30140215042 is a wasteful number, since it uses less digits than its factorization.

30140215042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126639585.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 30140215042 its reverse (24051204103), we get a palindrome (54191419145).

The spelling of 30140215042 in words is "thirty billion, one hundred forty million, two hundred fifteen thousand, forty-two".

Divisors: 1 2 7 14 17 34 119 238 126639559 253279118 886476913 1772953826 2152872503 4305745006 15070107521 30140215042