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11111112002020 = 2254583547122157
BaseRepresentation
bin1010000110110000000111…
…1000100100100111100100
31110100012201111111012200111
42201230001320210213210
52424021024133031040
635344212511222404
72224515466465222
oct241540170444744
943305644435614
1011111112002020
1135a4218071658
1212b54a8b17a04
13627a09114804
142a5ad02ddb12
1514405b208dea
hexa1b01e249e4

11111112002020 has 48 divisors (see below), whose sum is σ = 23343745840128. Its totient is φ = 4442462337920.

The previous prime is 11111112002009. The next prime is 11111112002041. The reversal of 11111112002020 is 2020021111111.

It is a happy number.

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, 501460782 + ... + 501482938.

It is an arithmetic number, because the mean of its divisors is an integer number (486328038336).

Almost surely, 211111112002020 is an apocalyptic number.

11111112002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111112002020 is an abundant number, since it is smaller than the sum of its proper divisors (12232633838108).

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

11111112002020 is a wasteful number, since it uses less digits than its factorization.

11111112002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32220 (or 32218 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11111112002020 its reverse (2020021111111), we get a palindrome (13131133113131).

The spelling of 11111112002020 in words is "eleven trillion, one hundred eleven billion, one hundred twelve million, two thousand, twenty".

Divisors: 1 2 4 5 10 20 4583 5471 9166 10942 18332 21884 22157 22915 27355 44314 45830 54710 88628 91660 109420 110785 221570 443140 25073593 50147186 100294372 101545531 121220947 125367965 203091062 242441894 250735930 406182124 484883788 501471860 507727655 606104735 1015455310 1212209470 2030910620 2424418940 555555600101 1111111200202 2222222400404 2777778000505 5555556001010 11111112002020