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42021330411 = 31916722719447
BaseRepresentation
bin100111001000101010…
…101001110111101011
311000110112112202112210
4213020222221313223
51142024430033121
631145422540203
73015220262244
oct471052516753
9130415482483
1042021330411
1116903a44545
128188a37663
133c68a87768
142068c19ccb
15115e1ae876
hex9c8aa9deb

42021330411 has 32 divisors (see below), whose sum is σ = 59594895360. Its totient is φ = 26263300896.

The previous prime is 42021330391. The next prime is 42021330431. The reversal of 42021330411 is 11403312024.

It is an interprime number because it is at equal distance from previous prime (42021330391) and next prime (42021330431).

It is not a de Polignac number, because 42021330411 - 29 = 42021329899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42021330431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2151090 + ... + 2170536.

It is an arithmetic number, because the mean of its divisors is an integer number (1862340480).

Almost surely, 242021330411 is an apocalyptic number.

42021330411 is a deficient number, since it is larger than the sum of its proper divisors (17573564949).

42021330411 is a wasteful number, since it uses less digits than its factorization.

42021330411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19863.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 42021330411 its reverse (11403312024), we get a palindrome (53424642435).

The spelling of 42021330411 in words is "forty-two billion, twenty-one million, three hundred thirty thousand, four hundred eleven".

Divisors: 1 3 19 57 167 227 501 681 3173 4313 9519 12939 19447 37909 58341 113727 369493 720271 1108479 2160813 3247649 4414469 9742947 13243407 61705331 83874911 185115993 251624733 737216323 2211648969 14007110137 42021330411