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2002121131140 = 22325135921168729
BaseRepresentation
bin11101001000100111101…
…110000000010010000100
321002101211021010110212200
4131020213232000102010
5230300321002144030
64131432312114500
7264435266551614
oct35104756002204
97071737113780
102002121131140
11702105202029
12284036395a30
13116a50b40460
146cc9047aa44
153712e31ad60
hex1d227b80484

2002121131140 has 288 divisors, whose sum is σ = 6682733366400. Its totient is φ = 482173655040.

The previous prime is 2002121131123. The next prime is 2002121131169. The reversal of 2002121131140 is 411311212002.

2002121131140 is a `hidden beast` number, since 200 + 212 + 113 + 1 + 140 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29096296 + ... + 29165024.

It is an arithmetic number, because the mean of its divisors is an integer number (23203935300).

Almost surely, 22002121131140 is an apocalyptic number.

2002121131140 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 2002121131140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3341366683200).

2002121131140 is an abundant number, since it is smaller than the sum of its proper divisors (4680612235260).

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

2002121131140 is a wasteful number, since it uses less digits than its factorization.

2002121131140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69027 (or 69022 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2002121131140 its reverse (411311212002), we get a palindrome (2413432343142).

The spelling of 2002121131140 in words is "two trillion, two billion, one hundred twenty-one million, one hundred thirty-one thousand, one hundred forty".