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42176248387 = 721366210751
BaseRepresentation
bin100111010001111001…
…100111101001000011
311000212100001102001121
4213101321213221003
51142334104422022
631213035213111
73022111124200
oct472171475103
9130770042047
1042176248387
1116983435729
1282108a7197
133c91bb8cc0
142081624ca7
15116cab12c7
hex9d1e67a43

42176248387 has 12 divisors (see below), whose sum is σ = 52836180096. Its totient is φ = 33370218000.

The previous prime is 42176248369. The next prime is 42176248403. The reversal of 42176248387 is 78384267124.

It is a de Polignac number, because none of the positive numbers 2k-42176248387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42176278387) 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 11 ways as a sum of consecutive naturals, for example, 33104739 + ... + 33106012.

It is an arithmetic number, because the mean of its divisors is an integer number (4403015008).

Almost surely, 242176248387 is an apocalyptic number.

42176248387 is a deficient number, since it is larger than the sum of its proper divisors (10659931709).

42176248387 is a wasteful number, since it uses less digits than its factorization.

42176248387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66210778 (or 66210771 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 52.

The spelling of 42176248387 in words is "forty-two billion, one hundred seventy-six million, two hundred forty-eight thousand, three hundred eighty-seven".

Divisors: 1 7 13 49 91 637 66210751 463475257 860739763 3244326799 6025178341 42176248387