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11201282220 = 2235515336229
BaseRepresentation
bin10100110111010011…
…00000000010101100
31001220122012002112110
422123221200002230
5140420012012340
65051254204020
7544402220322
oct123351400254
931818162473
1011201282220
114828917137
122207353610
13109684045b
14783907d12
1545859d680
hex29ba600ac

11201282220 has 48 divisors (see below), whose sum is σ = 31370542560. Its totient is φ = 2986346496.

The previous prime is 11201282177. The next prime is 11201282231. The reversal of 11201282220 is 2228210211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291066 + ... + 327294.

It is an arithmetic number, because the mean of its divisors is an integer number (653552970).

Almost surely, 211201282220 is an apocalyptic number.

11201282220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201282220 is an abundant number, since it is smaller than the sum of its proper divisors (20169260340).

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

11201282220 is a wasteful number, since it uses less digits than its factorization.

11201282220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41394 (or 41392 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11201282220 its reverse (2228210211), we get a palindrome (13429492431).

The spelling of 11201282220 in words is "eleven billion, two hundred one million, two hundred eighty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 5153 10306 15459 20612 25765 30918 36229 51530 61836 72458 77295 103060 108687 144916 154590 181145 217374 309180 362290 434748 543435 724580 1086870 2173740 186688037 373376074 560064111 746752148 933440185 1120128222 1866880370 2240256444 2800320555 3733760740 5600641110 11201282220