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2945633899 = 13376123979
BaseRepresentation
bin1010111110010010…
…1100111001101011
321121021201201001211
42233210230321223
522013040241044
61204143053551
7132665321635
oct25744547153
97537651054
102945633899
11128180838a
126a25a12b7
1337c35aa50
141dd2d3a55
15123905634
hexaf92ce6b

2945633899 has 8 divisors (see below), whose sum is σ = 3257957360. Its totient is φ = 2645558496.

The previous prime is 2945633863. The next prime is 2945633903. The reversal of 2945633899 is 9983365492.

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

It is a cyclic number.

It is not a de Polignac number, because 2945633899 - 211 = 2945631851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2945633399) 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 7 ways as a sum of consecutive naturals, for example, 3061509 + ... + 3062470.

It is an arithmetic number, because the mean of its divisors is an integer number (407244670).

Almost surely, 22945633899 is an apocalyptic number.

2945633899 is a deficient number, since it is larger than the sum of its proper divisors (312323461).

2945633899 is a wasteful number, since it uses less digits than its factorization.

2945633899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6124029.

The product of its digits is 12597120, while the sum is 58.

The square root of 2945633899 is about 54273.6943555531. The cubic root of 2945633899 is about 1433.4842415055.

The spelling of 2945633899 in words is "two billion, nine hundred forty-five million, six hundred thirty-three thousand, eight hundred ninety-nine".

Divisors: 1 13 37 481 6123979 79611727 226587223 2945633899