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11119000840 = 235733807877
BaseRepresentation
bin10100101101011111…
…00111110100001000
31001200220100202200221
422112233213310020
5140232431011330
65035154435424
7542352643033
oct122657476410
931626322627
1011119000840
1147964279a2
1221a3892b74
13108279184c
14776a0a01a
15451248b7a
hex296be7d08

11119000840 has 32 divisors (see below), whose sum is σ = 25360467480. Its totient is φ = 4386673152.

The previous prime is 11119000831. The next prime is 11119000847. The reversal of 11119000840 is 4800091111.

It can be written as a sum of positive squares in 4 ways, for example, as 10592114724 + 526886116 = 102918^2 + 22954^2 .

It is not an unprimeable number, because it can be changed into a prime (11119000847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1901019 + ... + 1906858.

Almost surely, 211119000840 is an apocalyptic number.

11119000840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11119000840 is an abundant number, since it is smaller than the sum of its proper divisors (14241466640).

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

11119000840 is a wasteful number, since it uses less digits than its factorization.

11119000840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807961 (or 3807957 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 25.

Adding to 11119000840 its reverse (4800091111), we get a palindrome (15919091951).

The spelling of 11119000840 in words is "eleven billion, one hundred nineteen million, eight hundred forty", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 20 40 73 146 292 365 584 730 1460 2920 3807877 7615754 15231508 19039385 30463016 38078770 76157540 152315080 277975021 555950042 1111900084 1389875105 2223800168 2779750210 5559500420 11119000840