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8993841493 = 713222933199
BaseRepresentation
bin10000110000001001…
…10010000101010101
3212012210111111010111
420120010302011111
5121404410411433
64044241123021
7435606251140
oct103004620525
925183444114
108993841493
1138a587525a
1218b0029471
13b04405100
14614691057
153798b1dcd
hex218132155

8993841493 has 24 divisors (see below), whose sum is σ = 11179104000. Its totient is φ = 7084718784.

The previous prime is 8993841457. The next prime is 8993841499. The reversal of 8993841493 is 3941483998.

It is not a de Polignac number, because 8993841493 - 233 = 403906901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8993841499) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254308 + ... + 287506.

It is an arithmetic number, because the mean of its divisors is an integer number (465796000).

Almost surely, 28993841493 is an apocalyptic number.

It is an amenable number.

8993841493 is a deficient number, since it is larger than the sum of its proper divisors (2185262507).

8993841493 is a wasteful number, since it uses less digits than its factorization.

8993841493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33461 (or 33448 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 58.

The square root of 8993841493 is about 94835.8660686979. The cubic root of 8993841493 is about 2079.6092625403.

The spelling of 8993841493 in words is "eight billion, nine hundred ninety-three million, eight hundred forty-one thousand, four hundred ninety-three".

Divisors: 1 7 13 91 169 229 1183 1603 2977 20839 33199 38701 232393 270907 431587 3021109 5610631 7602571 39274417 53217997 98833423 691833961 1284834499 8993841493