Search a number
-
+
330031230301021 = 17591270812589247
BaseRepresentation
bin100101100001010010110001…
…0001111110011001101011101
31121021112200021212222000102211
41023002211202033303031131
5321224212424424113041
63125530130521120421
7126341653356304504
oct11302454217631535
91537480255860384
10330031230301021
1196181505676a07
123102231b329111
131121ca71a7c612
145b6d84d7a783b
152824d0a285481
hex12c29623f335d

330031230301021 has 16 divisors (see below), whose sum is σ = 355370559482880. Its totient is φ = 305350402199040.

The previous prime is 330031230301007. The next prime is 330031230301037. The reversal of 330031230301021 is 120103032130033.

It is a cyclic number.

It is not a de Polignac number, because 330031230301021 - 221 = 330031228203869 is a prime.

It is a super-2 number, since 2×3300312303010212 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 330031230300983 and 330031230301001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330031230301061) 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, 126167620 + ... + 128756866.

It is an arithmetic number, because the mean of its divisors is an integer number (22210659967680).

Almost surely, 2330031230301021 is an apocalyptic number.

It is an amenable number.

330031230301021 is a deficient number, since it is larger than the sum of its proper divisors (25339329181859).

330031230301021 is a wasteful number, since it uses less digits than its factorization.

330031230301021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716404.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 330031230301021 its reverse (120103032130033), we get a palindrome (450134262431054).

The spelling of 330031230301021 in words is "three hundred thirty trillion, thirty-one billion, two hundred thirty million, three hundred one thousand, twenty-one".

Divisors: 1 17 59 1003 127081 2160377 2589247 7497779 44017199 127462243 152765573 2597014741 329044098007 5593749666119 19413601782413 330031230301021