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4138209975 = 3521919914593
BaseRepresentation
bin1111011010101000…
…0001001010110111
3101200101202211220010
43312222001022313
531433340204400
61522344111303
7204356130054
oct36652011267
911611684803
104138209975
111833a03449
12975a65533
1350c453073
142b385002b
15193476450
hexf6a812b7

4138209975 has 48 divisors (see below), whose sum is σ = 7238624000. Its totient is φ = 2080235520.

The previous prime is 4138209973. The next prime is 4138209983. The reversal of 4138209975 is 5799028314.

It is not a de Polignac number, because 4138209975 - 21 = 4138209973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4138209973) 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 47 ways as a sum of consecutive naturals, for example, 276279 + ... + 290871.

Almost surely, 24138209975 is an apocalyptic number.

4138209975 is a deficient number, since it is larger than the sum of its proper divisors (3100414025).

4138209975 is a wasteful number, since it uses less digits than its factorization.

4138209975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14824 (or 14819 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 4138209975 is about 64328.9202070111. The cubic root of 4138209975 is about 1605.4773184623.

The spelling of 4138209975 in words is "four billion, one hundred thirty-eight million, two hundred nine thousand, nine hundred seventy-five".

Divisors: 1 3 5 15 19 25 57 75 95 199 285 475 597 995 1425 2985 3781 4975 11343 14593 14925 18905 43779 56715 72965 94525 218895 277267 283575 364825 831801 1094475 1386335 2904007 4159005 6931675 8712021 14520035 20795025 43560105 55176133 72600175 165528399 217800525 275880665 827641995 1379403325 4138209975