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2660383494 = 23370192
BaseRepresentation
bin1001111010010010…
…0011101100000110
320212101222111002000
42132210203230012
520422024232434
61115553130130
7122632613046
oct23644435406
96771874060
102660383494
11114579854a
12622b59946
13335225622
141b347d726
1510885bb99
hex9e923b06

2660383494 has 24 divisors (see below), whose sum is σ = 5912805720. Its totient is φ = 886668156.

The previous prime is 2660383489. The next prime is 2660383507. The reversal of 2660383494 is 4943830662.

2660383494 is a `hidden beast` number, since 2 + 6 + 603 + 8 + 34 + 9 + 4 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 375517 + ... + 382535.

It is an arithmetic number, because the mean of its divisors is an integer number (246366905).

Almost surely, 22660383494 is an apocalyptic number.

2660383494 is an abundant number, since it is smaller than the sum of its proper divisors (3252422226).

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

2660383494 is an frugal number, since it uses more digits than its factorization.

2660383494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14049 (or 7024 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The square root of 2660383494 is about 51578.9055137854. The cubic root of 2660383494 is about 1385.6325650313.

The spelling of 2660383494 in words is "two billion, six hundred sixty million, three hundred eighty-three thousand, four hundred ninety-four".

Divisors: 1 2 3 6 9 18 27 54 7019 14038 21057 42114 63171 126342 189513 379026 49266361 98532722 147799083 295598166 443397249 886794498 1330191747 2660383494