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30020112142 = 219178586681
BaseRepresentation
bin11011111101010101…
…101000111100001110
32212111011010201001021
4123331111220330032
5442440122042032
621442511104354
72111632512556
oct337525507416
985434121037
1030020112142
1111805630639
1259998120ba
132aa55b7587
14164ada2166
15baa79d097
hex6fd568f0e

30020112142 has 8 divisors (see below), whose sum is σ = 45265928832. Its totient is φ = 14931469200.

The previous prime is 30020112127. The next prime is 30020112163. The reversal of 30020112142 is 24121102003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39292959 + ... + 39293722.

It is an arithmetic number, because the mean of its divisors is an integer number (5658241104).

Almost surely, 230020112142 is an apocalyptic number.

30020112142 is a deficient number, since it is larger than the sum of its proper divisors (15245816690).

30020112142 is a wasteful number, since it uses less digits than its factorization.

30020112142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78586874.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 30020112142 its reverse (24121102003), we get a palindrome (54141214145).

The spelling of 30020112142 in words is "thirty billion, twenty million, one hundred twelve thousand, one hundred forty-two".

Divisors: 1 2 191 382 78586681 157173362 15010056071 30020112142