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11200031320 = 235713943673
BaseRepresentation
bin10100110111001001…
…01110101001011000
31001220112211112121211
422123210232221120
5140414202000240
65051211312504
7544355460352
oct123344565130
931815745554
1011200031320
114828142335
122206a4b734
1310964c2c8a
147836a00d2
15458402bea
hex29b92ea58

11200031320 has 32 divisors (see below), whose sum is σ = 25555007520. Its totient is φ = 4416912640.

The previous prime is 11200031317. The next prime is 11200031363. The reversal of 11200031320 is 2313000211.

11200031320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11200031320.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1968997 + ... + 1974676.

It is an arithmetic number, because the mean of its divisors is an integer number (798593985).

Almost surely, 211200031320 is an apocalyptic number.

11200031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200031320 is an abundant number, since it is smaller than the sum of its proper divisors (14354976200).

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

11200031320 is a wasteful number, since it uses less digits than its factorization.

11200031320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943755 (or 3943751 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 11200031320 its reverse (2313000211), we get a palindrome (13513031531).

The spelling of 11200031320 in words is "eleven billion, two hundred million, thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 71 142 284 355 568 710 1420 2840 3943673 7887346 15774692 19718365 31549384 39436730 78873460 157746920 280000783 560001566 1120003132 1400003915 2240006264 2800007830 5600015660 11200031320