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8999381122 = 2191889125371
BaseRepresentation
bin10000110000110011…
…11010100010000010
3212020011220221001221
420120121322202002
5121412320143442
64044555545254
7436004322514
oct103031724202
925204827057
108999381122
1138a8a09266
1218b1a5b22a
13b055c46b4
146152d3bb4
1537a108467
hex21867a882

8999381122 has 16 divisors (see below), whose sum is σ = 14217184800. Its totient is φ = 4260574080.

The previous prime is 8999381063. The next prime is 8999381159. The reversal of 8999381122 is 2211839998.

It is a self number, because there is not a number n which added to its sum of digits gives 8999381122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9097 + ... + 134467.

It is an arithmetic number, because the mean of its divisors is an integer number (888574050).

Almost surely, 28999381122 is an apocalyptic number.

8999381122 is a deficient number, since it is larger than the sum of its proper divisors (5217803678).

8999381122 is a wasteful number, since it uses less digits than its factorization.

8999381122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127281.

The product of its digits is 559872, while the sum is 52.

The square root of 8999381122 is about 94865.0679755198. The cubic root of 8999381122 is about 2080.0361435103.

The spelling of 8999381122 in words is "eight billion, nine hundred ninety-nine million, three hundred eighty-one thousand, one hundred twenty-two".

Divisors: 1 2 19 38 1889 3778 35891 71782 125371 250742 2382049 4764098 236825819 473651638 4499690561 8999381122