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1111104120 = 233571322743
BaseRepresentation
bin100001000111010…
…0001101001111000
32212102201221022110
41002032201221320
54233420312440
6302130452320
736351141420
oct10216415170
92772657273
101111104120
11520209a75
122701340a0
1314926ac79
14a77cd480
156782b080
hex423a1a78

1111104120 has 64 divisors (see below), whose sum is σ = 3809502720. Its totient is φ = 253966464.

The previous prime is 1111104083. The next prime is 1111104121. The reversal of 1111104120 is 214011111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1111104096 and 1111104105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111104121) by changing a digit.

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, 660532 + ... + 662211.

It is an arithmetic number, because the mean of its divisors is an integer number (59523480).

Almost surely, 21111104120 is an apocalyptic number.

1111104120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111104120 is an abundant number, since it is smaller than the sum of its proper divisors (2698398600).

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

1111104120 is a wasteful number, since it uses less digits than its factorization.

1111104120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322764 (or 1322760 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1111104120 is about 33333.2284665017. The cubic root of 1111104120 is about 1035.7419963460.

Adding to 1111104120 its reverse (214011111), we get a palindrome (1325115231).

The spelling of 1111104120 in words is "one billion, one hundred eleven million, one hundred four thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 1322743 2645486 3968229 5290972 6613715 7936458 9259201 10581944 13227430 15872916 18518402 19841145 26454860 27777603 31745832 37036804 39682290 46296005 52909720 55555206 74073608 79364580 92592010 111110412 138888015 158729160 185184020 222220824 277776030 370368040 555552060 1111104120