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42424222208 = 29181457789
BaseRepresentation
bin100111100000101011…
…100100001000000000
311001111121122210012012
4213200223210020000
51143341100102313
631253414152052
73031211640014
oct474053441000
9131447583165
1042424222208
1116aa0405075
12827b952628
13400139c384
1420a6534544
151184744da8
hex9e0ae4200

42424222208 has 40 divisors (see below), whose sum is σ = 85234088940. Its totient is φ = 21094871040.

The previous prime is 42424222201. The next prime is 42424222229. The reversal of 42424222208 is 80222242424.

It can be written as a sum of positive squares in 2 ways, for example, as 29325877504 + 13098344704 = 171248^2 + 114448^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (42424222201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136223 + ... + 321566.

Almost surely, 242424222208 is an apocalyptic number.

It is an amenable number.

42424222208 is an abundant number, since it is smaller than the sum of its proper divisors (42809866732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42424222208 is an equidigital number, since it uses as much as digits as its factorization.

42424222208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457988 (or 457972 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

The spelling of 42424222208 in words is "forty-two billion, four hundred twenty-four million, two hundred twenty-two thousand, two hundred eight".

Divisors: 1 2 4 8 16 32 64 128 181 256 362 512 724 1448 2896 5792 11584 23168 46336 92672 457789 915578 1831156 3662312 7324624 14649248 29298496 58596992 82859809 117193984 165719618 234387968 331439236 662878472 1325756944 2651513888 5303027776 10606055552 21212111104 42424222208