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8189939325 = 352109199191
BaseRepresentation
bin1111010000010100…
…01000111001111101
3210010202211000200010
413220022020321331
5113233111024300
63432402453433
7406645223061
oct75012107175
923122730603
108189939325
1135230096a7
121706964279
13a069b7059
145799cbaa1
1532e018a50
hex1e8288e7d

8189939325 has 12 divisors (see below), whose sum is σ = 13540699808. Its totient is φ = 4367967600.

The previous prime is 8189939309. The next prime is 8189939333. The reversal of 8189939325 is 5239399818.

It is not a de Polignac number, because 8189939325 - 24 = 8189939309 is a prime.

It is a super-2 number, since 2×81899393252 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 54599521 + ... + 54599670.

Almost surely, 28189939325 is an apocalyptic number.

It is an amenable number.

8189939325 is a deficient number, since it is larger than the sum of its proper divisors (5350760483).

8189939325 is a wasteful number, since it uses less digits than its factorization.

8189939325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109199204 (or 109199199 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 57.

The square root of 8189939325 is about 90498.2835472585. The cubic root of 8189939325 is about 2015.7046365026.

The spelling of 8189939325 in words is "eight billion, one hundred eighty-nine million, nine hundred thirty-nine thousand, three hundred twenty-five".

Divisors: 1 3 5 15 25 75 109199191 327597573 545995955 1637987865 2729979775 8189939325