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2002020202442 = 21377000777017
BaseRepresentation
bin11101001000100001101…
…100111111011111001010
321002101120020012202201202
4131020201230333133022
5230300114132434232
64131414304544202
7264432632641061
oct35104154773712
97071506182652
102002020202442
11702063236887
12284008622062
13116a35c63030
146cc80cc71d8
1537125531162
hex1d221b3f7ca

2002020202442 has 8 divisors (see below), whose sum is σ = 3234032634756. Its totient is φ = 924009324192.

The previous prime is 2002020202423. The next prime is 2002020202447. The reversal of 2002020202442 is 2442020202002.

It can be written as a sum of positive squares in 2 ways, for example, as 1989197131321 + 12823071121 = 1410389^2 + 113239^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2002020202447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38500388483 + ... + 38500388534.

Almost surely, 22002020202442 is an apocalyptic number.

2002020202442 is a deficient number, since it is larger than the sum of its proper divisors (1232012432314).

2002020202442 is a wasteful number, since it uses less digits than its factorization.

2002020202442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77000777032.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 2002020202442 its reverse (2442020202002), we get a palindrome (4444040404444).

The spelling of 2002020202442 in words is "two trillion, two billion, twenty million, two hundred two thousand, four hundred forty-two".

Divisors: 1 2 13 26 77000777017 154001554034 1001010101221 2002020202442