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11200100012020 = 2254322975669731
BaseRepresentation
bin1010001011111011100111…
…1110111000111111110100
31110122201102020010111111201
42202332321332320333310
52432000301100341040
635453131021142244
72234115630212503
oct242767176707764
943581366114451
1011200100012020
113628a3251a677
12130a7a29ba984
1363321b38c32a
142aa132a4c83a
151465187d6a9a
hexa2fb9fb8ff4

11200100012020 has 48 divisors (see below), whose sum is σ = 24077673563328. Its totient is φ = 4373947226880.

The previous prime is 11200100011979. The next prime is 11200100012029. The reversal of 11200100012020 is 2021000100211.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11200100011988 and 11200100012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200100012029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859446 + ... + 4810285.

It is an arithmetic number, because the mean of its divisors is an integer number (501618199236).

Almost surely, 211200100012020 is an apocalyptic number.

11200100012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200100012020 is an abundant number, since it is smaller than the sum of its proper divisors (12877573551308).

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

11200100012020 is a wasteful number, since it uses less digits than its factorization.

11200100012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672080 (or 5672078 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11200100012020 its reverse (2021000100211), we get a palindrome (13221100112231).

The spelling of 11200100012020 in words is "eleven trillion, two hundred billion, one hundred million, twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 2297 4594 9188 11485 22970 45940 98771 197542 395084 493855 987710 1975420 5669731 11339462 22678924 28348655 56697310 113394620 243798433 487596866 975193732 1218992165 2437984330 4875968660 13023372107 26046744214 52093488428 65116860535 130233721070 260467442140 560005000601 1120010001202 2240020002404 2800025003005 5600050006010 11200100012020