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42420304143 = 3274315659027
BaseRepresentation
bin100111100000011100…
…100111100100001111
311001111100021201121200
4213200130213210033
51143334044213033
631253154200543
73031133431050
oct474034474417
9131440251550
1042420304143
1116a991793a8
12827a583153
134000629ba9
1420a5bd4727
15118421e013
hex9e072790f

42420304143 has 24 divisors (see below), whose sum is σ = 71655712128. Its totient is φ = 23676447312.

The previous prime is 42420304133. The next prime is 42420304151. The reversal of 42420304143 is 34140302424.

It is a happy number.

42420304143 is a `hidden beast` number, since 4 + 242 + 0 + 3 + 0 + 414 + 3 = 666.

42420304143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42420304143 - 26 = 42420304079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42420304133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7826805 + ... + 7832222.

It is an arithmetic number, because the mean of its divisors is an integer number (2985654672).

Almost surely, 242420304143 is an apocalyptic number.

42420304143 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

42420304143 is a deficient number, since it is larger than the sum of its proper divisors (29235407985).

42420304143 is a wasteful number, since it uses less digits than its factorization.

42420304143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15659083 (or 15659080 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 42420304143 its reverse (34140302424), we get a palindrome (76560606567).

The spelling of 42420304143 in words is "forty-two billion, four hundred twenty million, three hundred four thousand, one hundred forty-three".

Divisors: 1 3 7 9 21 43 63 129 301 387 903 2709 15659027 46977081 109613189 140931243 328839567 673338161 986518701 2020014483 4713367127 6060043449 14140101381 42420304143