Base | Representation |
---|---|
bin | 11011111101100001… |
… | …100000101101001110 |
3 | 2212111100222210220112 |
4 | 123331201200231032 |
5 | 442441421133032 |
6 | 21443101520022 |
7 | 2112001123502 |
oct | 337541405516 |
9 | 85440883815 |
10 | 30023224142 |
11 | 1180736673a |
12 | 599a873012 |
13 | 2aa6136bb2 |
14 | 164b572302 |
15 | baabb51b2 |
hex | 6fd860b4e |
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".
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