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2998878663 = 311471933513
BaseRepresentation
bin1011001010111111…
…0100000111000111
321201222220211011010
42302233310013013
522120203104123
61213324213303
7134213022324
oct26257640707
97658824133
102998878663
1112a9874a20
126b839a233
1338a3b1021
142063d3b4b
15128421993
hexb2bf41c7

2998878663 has 16 divisors (see below), whose sum is σ = 4454816256. Its totient is φ = 1778831040.

The previous prime is 2998878647. The next prime is 2998878677. The reversal of 2998878663 is 3668788992.

It is not a de Polignac number, because 2998878663 - 24 = 2998878647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2998878594 and 2998878603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2998878563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 965206 + ... + 968307.

It is an arithmetic number, because the mean of its divisors is an integer number (278426016).

Almost surely, 22998878663 is an apocalyptic number.

2998878663 is a deficient number, since it is larger than the sum of its proper divisors (1455937593).

2998878663 is a wasteful number, since it uses less digits than its factorization.

2998878663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933574.

The product of its digits is 62705664, while the sum is 66.

The square root of 2998878663 is about 54762.0184343127. The cubic root of 2998878663 is about 1442.0698537134.

The spelling of 2998878663 in words is "two billion, nine hundred ninety-eight million, eight hundred seventy-eight thousand, six hundred sixty-three".

Divisors: 1 3 11 33 47 141 517 1551 1933513 5800539 21268643 63805929 90875111 272625333 999626221 2998878663