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2002101010001 = 17417129161309
BaseRepresentation
bin11101001000100110100…
…001001111111001010001
321002101202212021012212022
4131020212201033321101
5230300300324310001
64131430312541225
7264434633536451
oct35104641177121
97071685235768
102002101010001
117020a4909794
1228402b6b1815
13116a49916b61
146cc8b91dd61
153712c69411b
hex1d22684fe51

2002101010001 has 8 divisors (see below), whose sum is σ = 2003544402600. Its totient is φ = 2000657957760.

The previous prime is 2002101009983. The next prime is 2002101010003. The reversal of 2002101010001 is 1000101012002.

It can be written as a sum of positive squares in 4 ways, for example, as 2566435600 + 1999534574401 = 50660^2 + 1414049^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2002101010001 - 210 = 2002101008977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002101010003) 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, 12330935 + ... + 12492243.

It is an arithmetic number, because the mean of its divisors is an integer number (250443050325).

Almost surely, 22002101010001 is an apocalyptic number.

It is an amenable number.

2002101010001 is a deficient number, since it is larger than the sum of its proper divisors (1443392599).

2002101010001 is a wasteful number, since it uses less digits than its factorization.

2002101010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170179.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 2002101010001 its reverse (1000101012002), we get a palindrome (3002202022003).

The spelling of 2002101010001 in words is "two trillion, two billion, one hundred one million, ten thousand, one".

Divisors: 1 1741 7129 161309 12411589 280838969 1149971861 2002101010001