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42021330223 = 292635509549
BaseRepresentation
bin100111001000101010…
…101001110100101111
311000110112112202021211
4213020222221310233
51142024430031343
631145422535251
73015220261555
oct471052516457
9130415482254
1042021330223
1116903a44394
128188a37527
133c68a87652
142068c19bd5
15115e1ae79d
hex9c8aa9d2f

42021330223 has 8 divisors (see below), whose sum is σ = 43635636000. Its totient is φ = 40418044128.

The previous prime is 42021330217. The next prime is 42021330233. The reversal of 42021330223 is 32203312024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42021330223 - 217 = 42021199151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42021330194 and 42021330203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42021330233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2747148 + ... + 2762401.

It is an arithmetic number, because the mean of its divisors is an integer number (5454454500).

Almost surely, 242021330223 is an apocalyptic number.

42021330223 is a deficient number, since it is larger than the sum of its proper divisors (1614305777).

42021330223 is a wasteful number, since it uses less digits than its factorization.

42021330223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5509841.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 42021330223 its reverse (32203312024), we get a palindrome (74224642247).

The spelling of 42021330223 in words is "forty-two billion, twenty-one million, three hundred thirty thousand, two hundred twenty-three".

Divisors: 1 29 263 7627 5509549 159776921 1449011387 42021330223