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2002490449920 = 213365199337
BaseRepresentation
bin11101001000111101101…
…110110110000000000000
321002102210000001211000000
4131020331232312000000
5230302100023344140
64131533104000000
7264450402660012
oct35107556660000
97072700054000
102002490449920
11702284721764
1228411a000000
13116aac4cb98c
146ccc75361b2
153715196da30
hex1d23dbb6000

2002490449920 has 784 divisors, whose sum is σ = 7262924666400. Its totient is φ = 529737449472.

The previous prime is 2002490449919. The next prime is 2002490449931. The reversal of 2002490449920 is 299440942002.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 5942107992 + ... + 5942108328.

Almost surely, 22002490449920 is an apocalyptic number.

2002490449920 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 2002490449920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3631462333200).

2002490449920 is an abundant number, since it is smaller than the sum of its proper divisors (5260434216480).

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

2002490449920 is an frugal number, since it uses more digits than its factorization.

2002490449920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 2002490449920 in words is "two trillion, two billion, four hundred ninety million, four hundred forty-nine thousand, nine hundred twenty".