Base | Representation |
---|---|
bin | 1101110000001100010111… |
… | …11011010110000101110101 |
3 | 10222002020000110120210200002 |
4 | 12320012023323112011311 |
5 | 12431001044323234031 |
6 | 144153312343201045 |
7 | 6240666665121611 |
oct | 670061373260565 |
9 | 128066013523602 |
10 | 30243212321141 |
11 | 970008aa09756 |
12 | 3485406746185 |
13 | 13b4bcc1a4701 |
14 | 767aca510341 |
15 | 376a66c68ccb |
hex | 1b818bed6175 |
30243212321141 has 4 divisors (see below), whose sum is σ = 30266458450284. Its totient is φ = 30219966192000.
The previous prime is 30243212321129. The next prime is 30243212321167. The reversal of 30243212321141 is 14112321234203.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 14283267221041 + 15959945100100 = 3779321^2 + 3994990^2 .
It is a cyclic number.
It is not a de Polignac number, because 30243212321141 - 214 = 30243212304757 is a prime.
It is a super-2 number, since 2×302432123211412 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30243212324141) 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, 11623062620 + ... + 11623065221.
It is an arithmetic number, because the mean of its divisors is an integer number (7566614612571).
Almost surely, 230243212321141 is an apocalyptic number.
It is an amenable number.
30243212321141 is a deficient number, since it is larger than the sum of its proper divisors (23246129143).
30243212321141 is a wasteful number, since it uses less digits than its factorization.
30243212321141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23246129142.
The product of its (nonzero) digits is 6912, while the sum is 29.
Adding to 30243212321141 its reverse (14112321234203), we get a palindrome (44355533555344).
The spelling of 30243212321141 in words is "thirty trillion, two hundred forty-three billion, two hundred twelve million, three hundred twenty-one thousand, one hundred forty-one".
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