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42149414938 = 260135066069
BaseRepresentation
bin100111010000010011…
…010000100000011010
311000210110120010111011
4213100103100200122
51142310222234223
631210240124134
73021334054441
oct472023204032
9130713503434
1042149414938
111696a278324
12820390664a
133c89482417
14207bc3bd58
15116a56080d
hex9d04d081a

42149414938 has 8 divisors (see below), whose sum is σ = 63329322420. Its totient is φ = 21039640800.

The previous prime is 42149414903. The next prime is 42149414941. The reversal of 42149414938 is 83941494124.

It can be written as a sum of positive squares in 2 ways, for example, as 41851748929 + 297666009 = 204577^2 + 17253^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42149414891 and 42149414900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17531833 + ... + 17534236.

Almost surely, 242149414938 is an apocalyptic number.

42149414938 is a deficient number, since it is larger than the sum of its proper divisors (21179907482).

42149414938 is a wasteful number, since it uses less digits than its factorization.

42149414938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35066672.

The product of its digits is 995328, while the sum is 49.

The spelling of 42149414938 in words is "forty-two billion, one hundred forty-nine million, four hundred fourteen thousand, nine hundred thirty-eight".

Divisors: 1 2 601 1202 35066069 70132138 21074707469 42149414938