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11110000240 = 2451031499049
BaseRepresentation
bin10100101100011010…
…10010011001110000
31001200021102111012101
422112031102121300
5140223130001430
65034233510144
7542213305153
oct122615223160
931607374171
1011110000240
11479133a689
1221a0872354
13108095cb51
14775745c9a
1545056bdca
hex296352670

11110000240 has 80 divisors (see below), whose sum is σ = 26259480000. Its totient is φ = 4370835456.

The previous prime is 11110000219. The next prime is 11110000243. The reversal of 11110000240 is 4200001111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110000243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1223236 + ... + 1232284.

It is an arithmetic number, because the mean of its divisors is an integer number (328243500).

Almost surely, 211110000240 is an apocalyptic number.

11110000240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11110000240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13129740000).

11110000240 is an abundant number, since it is smaller than the sum of its proper divisors (15149479760).

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

11110000240 is a wasteful number, since it uses less digits than its factorization.

11110000240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9314 (or 9308 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11110000240 its reverse (4200001111), we get a palindrome (15310001351).

The spelling of 11110000240 in words is "eleven billion, one hundred ten million, two hundred forty", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 16 20 40 80 103 149 206 298 412 515 596 745 824 1030 1192 1490 1648 2060 2384 2980 4120 5960 8240 9049 11920 15347 18098 30694 36196 45245 61388 72392 76735 90490 122776 144784 153470 180980 245552 306940 361960 613880 723920 932047 1227760 1348301 1864094 2696602 3728188 4660235 5393204 6741505 7456376 9320470 10786408 13483010 14912752 18640940 21572816 26966020 37281880 53932040 74563760 107864080 138875003 277750006 555500012 694375015 1111000024 1388750030 2222000048 2777500060 5555000120 11110000240