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2873205868 = 221389620831
BaseRepresentation
bin1010101101000001…
…1010010001101100
321102020102222111011
42223100122101230
521341020041433
61153034435004
7131125563331
oct25320322154
97366388434
102873205868
111244939105
12682292a64
1336a34c020
141d383c988
1511c39a3cd
hexab41a46c

2873205868 has 24 divisors (see below), whose sum is σ = 5475738240. Its totient is φ = 1311192960.

The previous prime is 2873205851. The next prime is 2873205871. The reversal of 2873205868 is 8685023782.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305788 + ... + 315043.

It is an arithmetic number, because the mean of its divisors is an integer number (228155760).

Almost surely, 22873205868 is an apocalyptic number.

It is an amenable number.

2873205868 is a deficient number, since it is larger than the sum of its proper divisors (2602532372).

2873205868 is a wasteful number, since it uses less digits than its factorization.

2873205868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620937 (or 620935 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The square root of 2873205868 is about 53602.2934957078. The cubic root of 2873205868 is about 1421.6376444492.

The spelling of 2873205868 in words is "two billion, eight hundred seventy-three million, two hundred five thousand, eight hundred sixty-eight".

Divisors: 1 2 4 13 26 52 89 178 356 1157 2314 4628 620831 1241662 2483324 8070803 16141606 32283212 55253959 110507918 221015836 718301467 1436602934 2873205868