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42350142040 = 2351079894893
BaseRepresentation
bin100111011100010000…
…111110001001011000
311001022110021010022021
4213130100332021120
51143213114021130
631242210304224
73026322160603
oct473420761130
9131273233267
1042350142040
1116a62607598
12825ab88074
133cbbc3265b
14209a76d33a
15117ceb037a
hex9dc43e258

42350142040 has 32 divisors (see below), whose sum is σ = 96178369680. Its totient is φ = 16781736832.

The previous prime is 42350142031. The next prime is 42350142041. The reversal of 42350142040 is 4024105324.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42350141996 and 42350142014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42350142041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4943167 + ... + 4951726.

Almost surely, 242350142040 is an apocalyptic number.

42350142040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42350142040 is an abundant number, since it is smaller than the sum of its proper divisors (53828227640).

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

42350142040 is a wasteful number, since it uses less digits than its factorization.

42350142040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9895011 (or 9895007 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 42350142040 its reverse (4024105324), we get a palindrome (46374247364).

The spelling of 42350142040 in words is "forty-two billion, three hundred fifty million, one hundred forty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 107 214 428 535 856 1070 2140 4280 9894893 19789786 39579572 49474465 79159144 98948930 197897860 395795720 1058753551 2117507102 4235014204 5293767755 8470028408 10587535510 21175071020 42350142040