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11020312100 = 2252741383983
BaseRepresentation
bin10100100001101110…
…01001111000100100
31001110000122212012102
422100313021320210
5140032144441400
65021311311232
7540044051540
oct122067117044
931400585172
1011020312100
114745751656
12217681b518
1310681b9b45
1476787aa20
154477529d5
hex290dc9e24

11020312100 has 72 divisors (see below), whose sum is σ = 27997041408. Its totient is φ = 3686227200.

The previous prime is 11020312091. The next prime is 11020312103. The reversal of 11020312100 is 121302011.

It is not an unprimeable number, because it can be changed into a prime (11020312103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163292 + ... + 220691.

Almost surely, 211020312100 is an apocalyptic number.

11020312100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020312100 is an abundant number, since it is smaller than the sum of its proper divisors (16976729308).

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

11020312100 is a wasteful number, since it uses less digits than its factorization.

11020312100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384045 (or 384038 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11020312100 its reverse (121302011), we get a palindrome (11141614111).

The spelling of 11020312100 in words is "eleven billion, twenty million, three hundred twelve thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 41 50 70 82 100 140 164 175 205 287 350 410 574 700 820 1025 1148 1435 2050 2870 4100 5740 7175 14350 28700 383983 767966 1535932 1919915 2687881 3839830 5375762 7679660 9599575 10751524 13439405 15743303 19199150 26878810 31486606 38398300 53757620 62973212 67197025 78716515 110203121 134394050 157433030 220406242 268788100 314866060 393582575 440812484 551015605 787165150 1102031210 1574330300 2204062420 2755078025 5510156050 11020312100