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2939793894 = 232163321883
BaseRepresentation
bin1010111100111001…
…1011000111100110
321120212202000002100
42233032123013212
522010041401034
61203413552530
7132564556452
oct25716330746
97525660070
102939793894
111279489734
126a0645746
1337b09481b
141dc613662
15123150099
hexaf39b1e6

2939793894 has 12 divisors (see below), whose sum is σ = 6369553476. Its totient is φ = 979931292.

The previous prime is 2939793869. The next prime is 2939793911. The reversal of 2939793894 is 4983979392.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81660924 + ... + 81660959.

It is an arithmetic number, because the mean of its divisors is an integer number (530796123).

Almost surely, 22939793894 is an apocalyptic number.

2939793894 is an abundant number, since it is smaller than the sum of its proper divisors (3429759582).

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

2939793894 is a wasteful number, since it uses less digits than its factorization.

2939793894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163321891 (or 163321888 counting only the distinct ones).

The product of its digits is 26453952, while the sum is 63.

The square root of 2939793894 is about 54219.8662300084. The cubic root of 2939793894 is about 1432.5362742201.

The spelling of 2939793894 in words is "two billion, nine hundred thirty-nine million, seven hundred ninety-three thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 9 18 163321883 326643766 489965649 979931298 1469896947 2939793894