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42422424020 = 2252121121201
BaseRepresentation
bin100111100000100100…
…101101000111010100
311001111111021102112122
4213200210231013110
51143340120032040
631253311435112
73031160440334
oct474044550724
9131444242478
1042422424020
1116a9a397069
12827b225a98
134000bbca62
1420a61c70c4
1511844dc1b5
hex9e092d1d4

42422424020 has 12 divisors (see below), whose sum is σ = 89087090484. Its totient is φ = 16968969600.

The previous prime is 42422424007. The next prime is 42422424047. The reversal of 42422424020 is 2042422424.

It can be written as a sum of positive squares in 2 ways, for example, as 6144364996 + 36278059024 = 78386^2 + 190468^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060560581 + ... + 1060560620.

It is an arithmetic number, because the mean of its divisors is an integer number (7423924207).

Almost surely, 242422424020 is an apocalyptic number.

It is an amenable number.

42422424020 is an abundant number, since it is smaller than the sum of its proper divisors (46664666464).

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

42422424020 is a wasteful number, since it uses less digits than its factorization.

42422424020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121121210 (or 2121121208 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 42422424020 its reverse (2042422424), we get a palindrome (44464846444).

The spelling of 42422424020 in words is "forty-two billion, four hundred twenty-two million, four hundred twenty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 2121121201 4242242402 8484484804 10605606005 21211212010 42422424020