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30023224142 = 215011612071
BaseRepresentation
bin11011111101100001…
…100000101101001110
32212111100222210220112
4123331201200231032
5442441421133032
621443101520022
72112001123502
oct337541405516
985440883815
1030023224142
111180736673a
12599a873012
132aa6136bb2
14164b572302
15baabb51b2
hex6fd860b4e

30023224142 has 4 divisors (see below), whose sum is σ = 45034836216. Its totient is φ = 15011612070.

The previous prime is 30023224097. The next prime is 30023224177. The reversal of 30023224142 is 24142232003.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 7505806034 + ... + 7505806037.

It is an arithmetic number, because the mean of its divisors is an integer number (11258709054).

Almost surely, 230023224142 is an apocalyptic number.

30023224142 is a deficient number, since it is larger than the sum of its proper divisors (15011612074).

30023224142 is a wasteful number, since it uses less digits than its factorization.

30023224142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15011612073.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 30023224142 its reverse (24142232003), we get a palindrome (54165456145).

The spelling of 30023224142 in words is "thirty billion, twenty-three million, two hundred twenty-four thousand, one hundred forty-two".

Divisors: 1 2 15011612071 30023224142