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2112122020002 = 232315305232029
BaseRepresentation
bin11110101111000100010…
…010000110000010100010
321110220202102012121112120
4132233010102012002202
5234101111214120002
64254143453005110
7305411231643531
oct36570422060242
97426672177476
102112122020002
117448228a9a35
122a1415483796
1312423158bac7
1474327812318
1539e1b53bcbc
hex1ebc44860a2

2112122020002 has 16 divisors (see below), whose sum is σ = 4407906824640. Its totient is φ = 673430209232.

The previous prime is 2112122019947. The next prime is 2112122020009. The reversal of 2112122020002 is 2000202212112.

It is a super-2 number, since 2×21121220200022 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112122020009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7652615877 + ... + 7652616152.

It is an arithmetic number, because the mean of its divisors is an integer number (275494176540).

Almost surely, 22112122020002 is an apocalyptic number.

2112122020002 is an abundant number, since it is smaller than the sum of its proper divisors (2295784804638).

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

2112122020002 is a wasteful number, since it uses less digits than its factorization.

2112122020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15305232057.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2112122020002 its reverse (2000202212112), we get a palindrome (4112324232114).

The spelling of 2112122020002 in words is "two trillion, one hundred twelve billion, one hundred twenty-two million, twenty thousand, two".

Divisors: 1 2 3 6 23 46 69 138 15305232029 30610464058 45915696087 91831392174 352020336667 704040673334 1056061010001 2112122020002