Base | Representation |
---|---|
bin | 1101111000010101100011… |
… | …11101001011111001101110 |
3 | 11000001222020222010211101110 |
4 | 12330022301331023321232 |
5 | 13000042122420242032 |
6 | 144530025553452450 |
7 | 6300133653343206 |
oct | 674126175137156 |
9 | 130058228124343 |
10 | 30523023212142 |
11 | 97a88179625aa |
12 | 350b696871126 |
13 | 14054023b5676 |
14 | 7774721c1406 |
15 | 37de91ca47cc |
hex | 1bc2b1f4be6e |
30523023212142 has 32 divisors (see below), whose sum is σ = 63156307255200. Its totient is φ = 9822688985088.
The previous prime is 30523023212107. The next prime is 30523023212191. The reversal of 30523023212142 is 24121232032503.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5145667 + ... + 9355422.
It is an arithmetic number, because the mean of its divisors is an integer number (1973634601725).
Almost surely, 230523023212142 is an apocalyptic number.
30523023212142 is an abundant number, since it is smaller than the sum of its proper divisors (32633284043058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30523023212142 is a wasteful number, since it uses less digits than its factorization.
30523023212142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14513220.
The product of its (nonzero) digits is 17280, while the sum is 30.
Adding to 30523023212142 its reverse (24121232032503), we get a palindrome (54644255244645).
The spelling of 30523023212142 in words is "thirty trillion, five hundred twenty-three billion, twenty-three million, two hundred twelve thousand, one hundred forty-two".
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