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42430031300 = 2252424300313
BaseRepresentation
bin100111100001000001…
…101110010111000100
311001112000120220202202
4213201001232113010
51143344042000200
631254142454032
73031312213106
oct474101562704
9131460526682
1042430031300
1116aa3712578
128281894318
1340026544c7
1420a7207576
151184ee11d5
hex9e106e5c4

42430031300 has 18 divisors (see below), whose sum is σ = 92073168138. Its totient is φ = 16972012480.

The previous prime is 42430031257. The next prime is 42430031309. The reversal of 42430031300 is 313003424.

It can be written as a sum of positive squares in 3 ways, for example, as 9305303296 + 33124728004 = 96464^2 + 182002^2 .

It is a super-2 number, since 2×424300313002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (42430031309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212150057 + ... + 212150256.

Almost surely, 242430031300 is an apocalyptic number.

It is an amenable number.

42430031300 is an abundant number, since it is smaller than the sum of its proper divisors (49643136838).

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

42430031300 is a wasteful number, since it uses less digits than its factorization.

42430031300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424300327 (or 424300320 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 42430031300 its reverse (313003424), we get a palindrome (42743034724).

The spelling of 42430031300 in words is "forty-two billion, four hundred thirty million, thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 424300313 848600626 1697201252 2121501565 4243003130 8486006260 10607507825 21215015650 42430031300