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11020183820 = 225551009191
BaseRepresentation
bin10100100001101101…
…01010100100001100
31001110000102100020022
422100312222210030
5140032131340240
65021304441312
7540043005542
oct122066524414
931400370208
1011020183820
114745674238
122176779238
131068173639
14767845d92
154477299b5
hex290daa90c

11020183820 has 12 divisors (see below), whose sum is σ = 23142386064. Its totient is φ = 4408073520.

The previous prime is 11020183781. The next prime is 11020183877. The reversal of 11020183820 is 2838102011.

It is a self number, because there is not a number n which added to its sum of digits gives 11020183820.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275504576 + ... + 275504615.

It is an arithmetic number, because the mean of its divisors is an integer number (1928532172).

Almost surely, 211020183820 is an apocalyptic number.

11020183820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020183820 is an abundant number, since it is smaller than the sum of its proper divisors (12122202244).

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

11020183820 is a wasteful number, since it uses less digits than its factorization.

11020183820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551009200 (or 551009198 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

Adding to 11020183820 its reverse (2838102011), we get a palindrome (13858285831).

The spelling of 11020183820 in words is "eleven billion, twenty million, one hundred eighty-three thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 551009191 1102018382 2204036764 2755045955 5510091910 11020183820