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7984442994 = 2311947127747
BaseRepresentation
bin1110110111110100…
…01110111001110010
3202121110010201200220
413123322032321302
5112323004133434
63400142153510
7401601434313
oct73372167162
922543121626
107984442994
113428012220
121669b82896
139a32570a8
1455a5b860a
1531ae75d49
hex1dbe8ee72

7984442994 has 32 divisors (see below), whose sum is σ = 17439134976. Its totient is φ = 2416954320.

The previous prime is 7984442957. The next prime is 7984443001. The reversal of 7984442994 is 4992444897.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1372 + ... + 126375.

It is an arithmetic number, because the mean of its divisors is an integer number (544972968).

Almost surely, 27984442994 is an apocalyptic number.

7984442994 is an abundant number, since it is smaller than the sum of its proper divisors (9454691982).

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

7984442994 is a wasteful number, since it uses less digits than its factorization.

7984442994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128710.

The product of its digits is 20901888, while the sum is 60.

The square root of 7984442994 is about 89355.7104722468. The cubic root of 7984442994 is about 1998.7027415756.

The spelling of 7984442994 in words is "seven billion, nine hundred eighty-four million, four hundred forty-two thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 11 22 33 66 947 1894 2841 5682 10417 20834 31251 62502 127747 255494 383241 766482 1405217 2810434 4215651 8431302 120976409 241952818 362929227 725858454 1330740499 2661480998 3992221497 7984442994