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1110019985 = 59713117471
BaseRepresentation
bin100001000101001…
…1000111110010001
32212100200212011022
41002022120332101
54233131114420
6302051325225
736336004604
oct10212307621
92770625138
101110019985
1151a639498
1226b8b0815
13148c7b679
14a75ca33b
15676b4c25
hex42298f91

1110019985 has 16 divisors (see below), whose sum is σ = 1356106752. Its totient is φ = 872102400.

The previous prime is 1110019973. The next prime is 1110020027. The reversal of 1110019985 is 5899100111.

It is not a de Polignac number, because 1110019985 - 230 = 36278161 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 54800 + ... + 72270.

It is an arithmetic number, because the mean of its divisors is an integer number (84756672).

Almost surely, 21110019985 is an apocalyptic number.

It is an amenable number.

1110019985 is a deficient number, since it is larger than the sum of its proper divisors (246086767).

1110019985 is a wasteful number, since it uses less digits than its factorization.

1110019985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17704.

The product of its (nonzero) digits is 3240, while the sum is 35.

The square root of 1110019985 is about 33316.9624215654. The cubic root of 1110019985 is about 1035.4050193586.

The spelling of 1110019985 in words is "one billion, one hundred ten million, nineteen thousand, nine hundred eighty-five".

Divisors: 1 5 97 131 485 655 12707 17471 63535 87355 1694687 2288701 8473435 11443505 222003997 1110019985