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11100100110100 = 22521722857134437
BaseRepresentation
bin1010000110000111000110…
…0001100010011100010100
31110022011022001200010210121
42201201301201202130110
52423331001112010400
635335152100201324
72223645554113111
oct241416141423424
943264261603717
1011100100110100
11359a587151231
1212b3335099244
136269728b5431
142a5367a15908
15143b145bb21a
hexa1871862714

11100100110100 has 108 divisors (see below), whose sum is σ = 25596605598676. Its totient is φ = 4177367470080.

The previous prime is 11100100110031. The next prime is 11100100110101. The reversal of 11100100110100 is 101100100111.

It is a happy number.

It can be written as a sum of positive squares in 18 ways, for example, as 2045946893956 + 9054153216144 = 1430366^2 + 3009012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100100110101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 82500082 + ... + 82634518.

Almost surely, 211100100110100 is an apocalyptic number.

11100100110100 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 11100100110100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12798302799338).

11100100110100 is an abundant number, since it is smaller than the sum of its proper divisors (14496505488576).

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

11100100110100 is a wasteful number, since it uses less digits than its factorization.

11100100110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137342 (or 137318 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 11100100110100 its reverse (101100100111), we get a palindrome (11201200210211).

The spelling of 11100100110100 in words is "eleven trillion, one hundred billion, one hundred million, one hundred ten thousand, one hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 289 340 425 578 850 1156 1445 1700 2857 2890 5714 5780 7225 11428 14285 14450 28570 28900 48569 57140 71425 97138 134437 142850 194276 242845 268874 285700 485690 537748 672185 825673 971380 1214225 1344370 1651346 2285429 2428450 2688740 3302692 3360925 4128365 4570858 4856900 6721850 8256730 9141716 11427145 13443700 16513460 20641825 22854290 38852293 41283650 45708580 57135725 77704586 82567300 114271450 155409172 194261465 228542900 384086509 388522930 768173018 777045860 971307325 1536346036 1920432545 1942614650 3840865090 3885229300 6529470653 7681730180 9602162725 13058941306 19204325450 26117882612 32647353265 38408650900 65294706530 111001001101 130589413060 163236766325 222002002202 326473532650 444004004404 555005005505 652947065300 1110010011010 2220020022020 2775025027525 5550050055050 11100100110100