Search a number
-
+
30443343002421 = 361281592018027
BaseRepresentation
bin1101110110000001001001…
…01001010011101100110101
310222210100120220202210011220
412323000210221103230311
512442240431302034141
6144425251222220553
76261313263624606
oct673004451235465
9128710526683156
1030443343002421
119777a49517708
1234b8159b84759
1313caa445ba48b
14773673acbdad
1537bd7b903766
hex1bb024a53b35

30443343002421 has 16 divisors (see below), whose sum is σ = 41403372806208. Its totient is φ = 19891805673600.

The previous prime is 30443343002357. The next prime is 30443343002557. The reversal of 30443343002421 is 12420034334403.

It is a happy number.

It is not a de Polignac number, because 30443343002421 - 26 = 30443343002357 is a prime.

It is a super-2 number, since 2×304433430024212 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30443343009421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295957591 + ... + 296060436.

It is an arithmetic number, because the mean of its divisors is an integer number (2587710800388).

Almost surely, 230443343002421 is an apocalyptic number.

It is an amenable number.

30443343002421 is a deficient number, since it is larger than the sum of its proper divisors (10960029803787).

30443343002421 is a wasteful number, since it uses less digits than its factorization.

30443343002421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592018372.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 30443343002421 its reverse (12420034334403), we get a palindrome (42863377336824).

The spelling of 30443343002421 in words is "thirty trillion, four hundred forty-three billion, three hundred forty-three million, two thousand, four hundred twenty-one".

Divisors: 1 3 61 183 281 843 17141 51423 592018027 1776054081 36113099647 108339298941 166357065587 499071196761 10147781000807 30443343002421