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2002020010001 = 11182001819091
BaseRepresentation
bin11101001000100001101…
…100010000100000010001
321002101120012211222202022
4131020201230100200101
5230300114110310001
64131414300501225
7264432631210034
oct35104154204021
97071505758668
102002020010001
11702063115240
1228400854a815
13116a35bc656b
146cc80c7701b
15371254e411b
hex1d221b10811

2002020010001 has 4 divisors (see below), whose sum is σ = 2184021829104. Its totient is φ = 1820018190900.

The previous prime is 2002020009991. The next prime is 2002020010021. The reversal of 2002020010001 is 1000100202002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2002020010001 - 26 = 2002020009937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002020010021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91000909535 + ... + 91000909556.

It is an arithmetic number, because the mean of its divisors is an integer number (546005457276).

Almost surely, 22002020010001 is an apocalyptic number.

It is an amenable number.

2002020010001 is a deficient number, since it is larger than the sum of its proper divisors (182001819103).

2002020010001 is a wasteful number, since it uses less digits than its factorization.

2002020010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182001819102.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 2002020010001 its reverse (1000100202002), we get a palindrome (3002120212003).

The spelling of 2002020010001 in words is "two trillion, two billion, twenty million, ten thousand, one".

Divisors: 1 11 182001819091 2002020010001