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2857026668 = 222254131687
BaseRepresentation
bin1010101001001010…
…1100010001101100
321101002222222210112
42222102230101230
521322344323133
61151255555152
7130541216546
oct25222542154
97332888715
102857026668
111236798471
1267898bab8
13366ba5a32
141d162a696
1511ac51648
hexaa4ac46c

2857026668 has 12 divisors (see below), whose sum is σ = 5000176272. Its totient is φ = 1428404880.

The previous prime is 2857026659. The next prime is 2857026677. The reversal of 2857026668 is 8666207582.

It is an interprime number because it is at equal distance from previous prime (2857026659) and next prime (2857026677).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74321 + ... + 106007.

It is an arithmetic number, because the mean of its divisors is an integer number (416681356).

Almost surely, 22857026668 is an apocalyptic number.

It is an amenable number.

2857026668 is a deficient number, since it is larger than the sum of its proper divisors (2143149604).

2857026668 is a wasteful number, since it uses less digits than its factorization.

2857026668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54232 (or 54230 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 50.

The square root of 2857026668 is about 53451.1615215236. The cubic root of 2857026668 is about 1418.9641768219.

The spelling of 2857026668 in words is "two billion, eight hundred fifty-seven million, twenty-six thousand, six hundred sixty-eight".

Divisors: 1 2 4 22541 31687 45082 63374 90164 126748 714256667 1428513334 2857026668