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2005052102123 = 7594414818829
BaseRepresentation
bin11101001011010110011…
…010110001010111101011
321002200101112021020012112
4131023112122301113223
5230322321314231443
64133035213032535
7264601026443540
oct35132632612753
97080345236175
102005052102123
117033797049a4
12284713a8574b
131170ca136105
146d08b834bc7
15372517c6b18
hex1d2d66b15eb

2005052102123 has 8 divisors (see below), whose sum is σ = 2291527142880. Its totient is φ = 1718586817920.

The previous prime is 2005052102107. The next prime is 2005052102147. The reversal of 2005052102123 is 3212012505002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2005052102123 - 24 = 2005052102107 is a prime.

It is a super-2 number, since 2×20050521021232 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2005052102153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1993328 + ... + 2825501.

It is an arithmetic number, because the mean of its divisors is an integer number (286440892860).

Almost surely, 22005052102123 is an apocalyptic number.

2005052102123 is a deficient number, since it is larger than the sum of its proper divisors (286475040757).

2005052102123 is an equidigital number, since it uses as much as digits as its factorization.

2005052102123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4878277.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 2005052102123 its reverse (3212012505002), we get a palindrome (5217064607125).

The spelling of 2005052102123 in words is "two trillion, five billion, fifty-two million, one hundred two thousand, one hundred twenty-three".

Divisors: 1 7 59441 416087 4818829 33731803 286436014589 2005052102123