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2110011111100 = 2252113197947851
BaseRepresentation
bin11110101101000110011…
…101100111011010111100
321110201022022011022220101
4132231012131213122330
5234032300321023400
64253154204530444
7305305020343264
oct36550635473274
97421268138811
102110011111100
1174393a29a922
122a0b26550a24
13123c86151799
14741a73267a4
1539d4606c56a
hex1eb467676bc

2110011111100 has 72 divisors (see below), whose sum is σ = 4642696629648. Its totient is φ = 832288128000.

The previous prime is 2110011111083. The next prime is 2110011111127. The reversal of 2110011111100 is 11111100112.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1752175 + ... + 2700025.

It is an arithmetic number, because the mean of its divisors is an integer number (64481897634).

Almost surely, 22110011111100 is an apocalyptic number.

2110011111100 is a gapful number since it is divisible by the number (20) 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 2110011111100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2321348314824).

2110011111100 is an abundant number, since it is smaller than the sum of its proper divisors (2532685518548).

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

2110011111100 is a wasteful number, since it uses less digits than its factorization.

2110011111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948175 (or 948168 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 2110011111100 its reverse (11111100112), we get a palindrome (2121122211212).

The spelling of 2110011111100 in words is "two trillion, one hundred ten billion, eleven million, one hundred eleven thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 113 197 226 394 452 565 788 985 1130 1970 2260 2825 3940 4925 5650 9850 11300 19700 22261 44522 89044 111305 222610 445220 556525 947851 1113050 1895702 2226100 3791404 4739255 9478510 18957020 23696275 47392550 94785100 107107163 186726647 214214326 373453294 428428652 535535815 746906588 933633235 1071071630 1867266470 2142143260 2677679075 3734532940 4668166175 5355358150 9336332350 10710716300 18672664700 21100111111 42200222222 84400444444 105500555555 211001111110 422002222220 527502777775 1055005555550 2110011111100