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2666160260 = 225133308013
BaseRepresentation
bin1001111011101010…
…0110000010000100
320212210211222022022
42132322212002010
520430014112020
61120321022312
7123032662661
oct23672460204
96783758268
102666160260
111148a83735
12624a84998
13336498b2a
141b4144a68
151090ed625
hex9eea6084

2666160260 has 12 divisors (see below), whose sum is σ = 5598936588. Its totient is φ = 1066464096.

The previous prime is 2666160247. The next prime is 2666160271. The reversal of 2666160260 is 620616662.

It can be written as a sum of positive squares in 2 ways, for example, as 1537737796 + 1128422464 = 39214^2 + 33592^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2666160260.

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, 66653987 + ... + 66654026.

It is an arithmetic number, because the mean of its divisors is an integer number (466578049).

Almost surely, 22666160260 is an apocalyptic number.

2666160260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2666160260 is an abundant number, since it is smaller than the sum of its proper divisors (2932776328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2666160260 is a wasteful number, since it uses less digits than its factorization.

2666160260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133308022 (or 133308020 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 2666160260 is about 51634.8744551587. The cubic root of 2666160260 is about 1386.6347624512.

The spelling of 2666160260 in words is "two billion, six hundred sixty-six million, one hundred sixty thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 133308013 266616026 533232052 666540065 1333080130 2666160260