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2002101331200 = 28352419248869
BaseRepresentation
bin11101001000100110100…
…010011110010100000000
321002101202212212112110120
4131020212202132110000
5230300300420044300
64131430323500240
7264434636345055
oct35104642362400
97071685775416
102002101331200
117020a5009043
1228402b827680
13116a499ca109
146cc8b9a502c
153712c7093a0
hex1d22689e500

2002101331200 has 216 divisors, whose sum is σ = 6623147445600. Its totient is φ = 532617338880.

The previous prime is 2002101331169. The next prime is 2002101331247. The reversal of 2002101331200 is 21331012002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2002101331200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7920366 + ... + 8169234.

Almost surely, 22002101331200 is an apocalyptic number.

2002101331200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002101331200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3311573722800).

2002101331200 is an abundant number, since it is smaller than the sum of its proper divisors (4621046114400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2002101331200 is a wasteful number, since it uses less digits than its factorization.

2002101331200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249317 (or 249298 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 2002101331200 its reverse (21331012002), we get a palindrome (2023432343202).

The spelling of 2002101331200 in words is "two trillion, two billion, one hundred one million, three hundred thirty-one thousand, two hundred".