Base | Representation |
---|---|
bin | 11011111101011101… |
… | …011001000110100111 |
3 | 2212111021221221210221 |
4 | 123331131121012213 |
5 | 442441132110143 |
6 | 21443022425211 |
7 | 2111656005565 |
oct | 337535310647 |
9 | 85437857727 |
10 | 30022144423 |
11 | 11806799507 |
12 | 599a432207 |
13 | 2aa5b495cb |
14 | 164b370a35 |
15 | baaa502ed |
hex | 6fd7591a7 |
30022144423 has 4 divisors (see below), whose sum is σ = 30302725320. Its totient is φ = 29741563528.
The previous prime is 30022144409. The next prime is 30022144487. The reversal of 30022144423 is 32444122003.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30022144423 - 25 = 30022144391 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30022144123) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140290288 + ... + 140290501.
It is an arithmetic number, because the mean of its divisors is an integer number (7575681330).
Almost surely, 230022144423 is an apocalyptic number.
30022144423 is a deficient number, since it is larger than the sum of its proper divisors (280580897).
30022144423 is a wasteful number, since it uses less digits than its factorization.
30022144423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 280580896.
The product of its (nonzero) digits is 4608, while the sum is 25.
Adding to 30022144423 its reverse (32444122003), we get a palindrome (62466266426).
The spelling of 30022144423 in words is "thirty billion, twenty-two million, one hundred forty-four thousand, four hundred twenty-three".
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