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42303144040 = 2351057578601
BaseRepresentation
bin100111011001011101…
…101100000001101000
311001012011211101011121
4213121131230001220
51143114101102130
631233411105024
73025211535313
oct473135540150
9131164741147
1042303144040
1116a39027273
1282472a2174
133cb22887a1
14209441797a
151178cc9d7a
hex9d976c068

42303144040 has 16 divisors (see below), whose sum is σ = 95182074180. Its totient is φ = 16921257600.

The previous prime is 42303143977. The next prime is 42303144061. The reversal of 42303144040 is 4044130324.

It can be written as a sum of positive squares in 2 ways, for example, as 35065558564 + 7237585476 = 187258^2 + 85074^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42303143996 and 42303144014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528789261 + ... + 528789340.

Almost surely, 242303144040 is an apocalyptic number.

42303144040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42303144040 is an abundant number, since it is smaller than the sum of its proper divisors (52878930140).

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

42303144040 is a wasteful number, since it uses less digits than its factorization.

42303144040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057578612 (or 1057578608 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 42303144040 its reverse (4044130324), we get a palindrome (46347274364).

The spelling of 42303144040 in words is "forty-two billion, three hundred three million, one hundred forty-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 1057578601 2115157202 4230314404 5287893005 8460628808 10575786010 21151572020 42303144040