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2770440868 = 221353277709
BaseRepresentation
bin1010010100100001…
…1001001010100100
321011002001222102001
42211020121022210
521133213101433
61134524055044
7125440234036
oct24510311244
97132058361
102770440868
1111a1929258
12653994484
13351c7ab30
141c3d2bc56
1511334b57d
hexa52192a4

2770440868 has 12 divisors (see below), whose sum is σ = 5221215580. Its totient is φ = 1278664992.

The previous prime is 2770440839. The next prime is 2770440877. The reversal of 2770440868 is 8680440772.

It can be written as a sum of positive squares in 2 ways, for example, as 759994624 + 2010446244 = 27568^2 + 44838^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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, 26638803 + ... + 26638906.

Almost surely, 22770440868 is an apocalyptic number.

It is an amenable number.

2770440868 is a deficient number, since it is larger than the sum of its proper divisors (2450774712).

2770440868 is a wasteful number, since it uses less digits than its factorization.

2770440868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53277726 (or 53277724 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 46.

The square root of 2770440868 is about 52634.9776099506. The cubic root of 2770440868 is about 1404.4823797082.

The spelling of 2770440868 in words is "two billion, seven hundred seventy million, four hundred forty thousand, eight hundred sixty-eight".

Divisors: 1 2 4 13 26 52 53277709 106555418 213110836 692610217 1385220434 2770440868