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8042720092 = 22111011809793
BaseRepresentation
bin1110111110110001…
…00010101101011100
3202202111210111211221
413133120202231130
5112432414020332
63410023223124
7403206664351
oct73730425534
922674714757
108042720092
1134579a6710
1216855a7aa4
139b234ca94
14564228628
15321138297
hex1df622b5c

8042720092 has 24 divisors (see below), whose sum is σ = 15506314992. Its totient is φ = 3619584000.

The previous prime is 8042720087. The next prime is 8042720093. The reversal of 8042720092 is 2900272408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8042720093) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 900453 + ... + 909340.

It is an arithmetic number, because the mean of its divisors is an integer number (646096458).

Almost surely, 28042720092 is an apocalyptic number.

It is an amenable number.

8042720092 is a deficient number, since it is larger than the sum of its proper divisors (7463594900).

8042720092 is a wasteful number, since it uses less digits than its factorization.

8042720092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809909 (or 1809907 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 8042720092 is about 89681.2137072196. The cubic root of 8042720092 is about 2003.5536895720.

The spelling of 8042720092 in words is "eight billion, forty-two million, seven hundred twenty thousand, ninety-two".

Divisors: 1 2 4 11 22 44 101 202 404 1111 2222 4444 1809793 3619586 7239172 19907723 39815446 79630892 182789093 365578186 731156372 2010680023 4021360046 8042720092