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2112210130400 = 25522640262663
BaseRepresentation
bin11110101111001001100…
…010001101010111100000
321110220222120000002021122
4132233021202031113200
5234101301243133100
64254200321311412
7305413351606256
oct36571142152740
97426876002248
102112210130400
1174486860a647
122a143aa95568
131242468cb936
14743353ca5d6
1539e24143985
hex1ebc988d5e0

2112210130400 has 36 divisors (see below), whose sum is σ = 5156432982792. Its totient is φ = 844884051840.

The previous prime is 2112210130399. The next prime is 2112210130417. The reversal of 2112210130400 is 40310122112.

It is a super-2 number, since 2×21122101304002 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1320130532 + ... + 1320132131.

It is an arithmetic number, because the mean of its divisors is an integer number (143234249522).

Almost surely, 22112210130400 is an apocalyptic number.

2112210130400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112210130400 is an abundant number, since it is smaller than the sum of its proper divisors (3044222852392).

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

2112210130400 is a wasteful number, since it uses less digits than its factorization.

2112210130400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640262683 (or 2640262670 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2112210130400 its reverse (40310122112), we get a palindrome (2152520252512).

The spelling of 2112210130400 in words is "two trillion, one hundred twelve billion, two hundred ten million, one hundred thirty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 2640262663 5280525326 10561050652 13201313315 21122101304 26402626630 42244202608 52805253260 66006566575 84488405216 105610506520 132013133150 211221013040 264026266300 422442026080 528052532600 1056105065200 2112210130400