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2002102102201 = 2387047917487
BaseRepresentation
bin11101001000100110100…
…101011010100010111001
321002101202221022201002011
4131020212211122202321
5230300301114232301
64131430352205521
7264434646035635
oct35104645324271
97071687281064
102002102102201
117020a5495333
1228402bb398a1
13116a49c0a026
146cc8bb25dc5
153712c80ca51
hex1d22695a8b9

2002102102201 has 4 divisors (see below), whose sum is σ = 2089150019712. Its totient is φ = 1915054184692.

The previous prime is 2002102102183. The next prime is 2002102102213. The reversal of 2002102102201 is 1022012012002.

It is a happy number.

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 2002102102201 - 27 = 2002102102073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002102102291) 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, 43523958721 + ... + 43523958766.

It is an arithmetic number, because the mean of its divisors is an integer number (522287504928).

Almost surely, 22002102102201 is an apocalyptic number.

It is an amenable number.

2002102102201 is a deficient number, since it is larger than the sum of its proper divisors (87047917511).

2002102102201 is an equidigital number, since it uses as much as digits as its factorization.

2002102102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87047917510.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2002102102201 its reverse (1022012012002), we get a palindrome (3024114114203).

The spelling of 2002102102201 in words is "two trillion, two billion, one hundred two million, one hundred two thousand, two hundred one".

Divisors: 1 23 87047917487 2002102102201