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2112030003220 = 225215349048537
BaseRepresentation
bin11110101110111110110…
…011000101000000010100
321110220112000001200020121
4132232332303011000110
5234100414140100340
64254130404441324
7305406033551164
oct36567663050024
97426460050217
102112030003220
11744785970405
122a13aa6a9244
131242184b1bc7
14743194dc5a4
1539e1341294a
hex1ebbecc5014

2112030003220 has 24 divisors (see below), whose sum is σ = 4437323135784. Its totient is φ = 844419595776.

The previous prime is 2112030003157. The next prime is 2112030003257. The reversal of 2112030003220 is 223000302112.

It can be written as a sum of positive squares in 4 ways, for example, as 159157910916 + 1952872092304 = 398946^2 + 1397452^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2112030003194 and 2112030003203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24481209 + ... + 24567328.

It is an arithmetic number, because the mean of its divisors is an integer number (184888463991).

Almost surely, 22112030003220 is an apocalyptic number.

2112030003220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112030003220 is an abundant number, since it is smaller than the sum of its proper divisors (2325293132564).

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

2112030003220 is a wasteful number, since it uses less digits than its factorization.

2112030003220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49050699 (or 49050697 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2112030003220 its reverse (223000302112), we get a palindrome (2335030305332).

The spelling of 2112030003220 in words is "two trillion, one hundred twelve billion, thirty million, three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 2153 4306 8612 10765 21530 43060 49048537 98097074 196194148 245242685 490485370 980970740 105601500161 211203000322 422406000644 528007500805 1056015001610 2112030003220