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7941045399 = 3721571811901
BaseRepresentation
bin1110110010101001…
…01011110010010111
3202111102110220101120
413121110223302113
5112230401423044
63351552055023
7400533525600
oct73124536227
922442426346
107941045399
113405570a41
121657534473
13997270c41
1455491cda7
15317252519
hex1d952bc97

7941045399 has 48 divisors (see below), whose sum is σ = 12470211936. Its totient is φ = 4481568000.

The previous prime is 7941045391. The next prime is 7941045451. The reversal of 7941045399 is 9935401497.

It is not a de Polignac number, because 7941045399 - 23 = 7941045391 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7941045391) 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 47 ways as a sum of consecutive naturals, for example, 4176349 + ... + 4178249.

It is an arithmetic number, because the mean of its divisors is an integer number (259796082).

Almost surely, 27941045399 is an apocalyptic number.

7941045399 is a deficient number, since it is larger than the sum of its proper divisors (4529166537).

7941045399 is a wasteful number, since it uses less digits than its factorization.

7941045399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256 (or 2249 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 51.

The square root of 7941045399 is about 89112.5434436702. The cubic root of 7941045399 is about 1995.0749987194.

The spelling of 7941045399 in words is "seven billion, nine hundred forty-one million, forty-five thousand, three hundred ninety-nine".

Divisors: 1 3 7 21 49 147 157 181 471 543 1099 1267 1901 3297 3801 5703 7693 8869 13307 23079 26607 28417 39921 85251 93149 198919 279447 298457 344081 596757 895371 1032243 1392433 2089199 2408567 4177299 6267597 7225701 14624393 16859969 43873179 50579907 54020717 162062151 378145019 1134435057 2647015133 7941045399