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30203230142 = 218798037049
BaseRepresentation
bin11100001000010000…
…001011011110111110
32212221220201001201102
4130020100023132332
5443324011331032
621513012013102
72116315135361
oct341020133676
985856631642
1030203230142
1111899a32928
125a2b001192
132b04510717
14166742c0d8
15bbb8c0362
hex70840b7be

30203230142 has 8 divisors (see below), whose sum is σ = 45328962000. Its totient is φ = 15093576144.

The previous prime is 30203230121. The next prime is 30203230163. The reversal of 30203230142 is 24103230203.

It is an interprime number because it is at equal distance from previous prime (30203230121) and next prime (30203230163).

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

It is a super-2 number, since 2×302032301422 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4014767 + ... + 4022282.

It is an arithmetic number, because the mean of its divisors is an integer number (5666120250).

Almost surely, 230203230142 is an apocalyptic number.

30203230142 is a deficient number, since it is larger than the sum of its proper divisors (15125731858).

30203230142 is a wasteful number, since it uses less digits than its factorization.

30203230142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8038930.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30203230142 its reverse (24103230203), we get a palindrome (54306460345).

The spelling of 30203230142 in words is "thirty billion, two hundred three million, two hundred thirty thousand, one hundred forty-two".

Divisors: 1 2 1879 3758 8037049 16074098 15101615071 30203230142