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42730320162 = 2330181235967
BaseRepresentation
bin100111110010111011…
…001111000100100010
311002021221122011122110
4213302323033010202
51200002430221122
631344031020150
73041616504615
oct476273170442
9132257564573
1042730320162
1117138173a92
12834636a656
13404c92391a
1420d505417c
1511a155a90c
hex9f2ecf122

42730320162 has 16 divisors (see below), whose sum is σ = 85463834112. Its totient is φ = 14242907760.

The previous prime is 42730320133. The next prime is 42730320163. The reversal of 42730320162 is 26102303724.

It is a super-2 number, since 2×427303201622 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42730320163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63103 + ... + 299069.

It is an arithmetic number, because the mean of its divisors is an integer number (5341489632).

Almost surely, 242730320162 is an apocalyptic number.

42730320162 is an abundant number, since it is smaller than the sum of its proper divisors (42733513950).

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

42730320162 is a wasteful number, since it uses less digits than its factorization.

42730320162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266153.

The product of its (nonzero) digits is 12096, while the sum is 30.

Adding to 42730320162 its reverse (26102303724), we get a palindrome (68832623886).

The spelling of 42730320162 in words is "forty-two billion, seven hundred thirty million, three hundred twenty thousand, one hundred sixty-two".

Divisors: 1 2 3 6 30181 60362 90543 181086 235967 471934 707901 1415802 7121720027 14243440054 21365160081 42730320162