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42030404333221 = 439269623355093
BaseRepresentation
bin10011000111001111101110…
…10100011110111010100101
312111211001211010220000120011
421203213313110132322211
521002111232002130341
6225220300131410221
711565411413110513
oct1143476724367245
9174731733800504
1042030404333221
1112434aa3574477
124869935453971
131a5b5b0bc1945
14a543d4d854b3
154cd492090b81
hex2639f751eea5

42030404333221 has 8 divisors (see below), whose sum is σ = 42126420448640. Its totient is φ = 41934389468112.

The previous prime is 42030404333171. The next prime is 42030404333233. The reversal of 42030404333221 is 12233340403024.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42030404333221 is a prime.

It is a super-2 number, since 2×420304043332212 (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 (42030404303221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118186951 + ... + 118542043.

It is an arithmetic number, because the mean of its divisors is an integer number (5265802556080).

Almost surely, 242030404333221 is an apocalyptic number.

It is an amenable number.

42030404333221 is a deficient number, since it is larger than the sum of its proper divisors (96016115419).

42030404333221 is a wasteful number, since it uses less digits than its factorization.

42030404333221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625155.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 42030404333221 its reverse (12233340403024), we get a palindrome (54263744736245).

The spelling of 42030404333221 in words is "forty-two trillion, thirty billion, four hundred four million, three hundred thirty-three thousand, two hundred twenty-one".

Divisors: 1 439 269623 355093 118364497 155885827 95741239939 42030404333221