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2081490417360 = 243454115714987
BaseRepresentation
bin11110010010100010011…
…111110011011011010000
321100222200122102222020000
4132102202133303123100
5233100343021323420
64232120135250000
7303245162423544
oct36224237633320
97328618388200
102081490417360
11732834092552
122974a6b19900
1312138c3b4843
1472a5d555a24
1539227251690
hex1e4a27f36d0

2081490417360 has 400 divisors, whose sum is σ = 7411849486272. Its totient is φ = 541072742400.

The previous prime is 2081490417289. The next prime is 2081490417361. The reversal of 2081490417360 is 637140941802.

2081490417360 is a `hidden beast` number, since 20 + 81 + 490 + 4 + 1 + 7 + 3 + 60 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081490417361) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 417380787 + ... + 417385773.

Almost surely, 22081490417360 is an apocalyptic number.

2081490417360 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 2081490417360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3705924743136).

2081490417360 is an abundant number, since it is smaller than the sum of its proper divisors (5330359068912).

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

2081490417360 is a wasteful number, since it uses less digits than its factorization.

2081490417360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6624 (or 6609 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 2081490417360 in words is "two trillion, eighty-one billion, four hundred ninety million, four hundred seventeen thousand, three hundred sixty".