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1449489993120 = 253351346155987
BaseRepresentation
bin10101000101111100010…
…101100000110110100000
312010120101110010221012000
4111011330111200312200
5142222023414234440
63025515253004000
7206502466440201
oct25057425406640
95116343127160
101449489993120
115097a8349654
121b4b07323600
13a68bcac9a80
14502272db5a8
1527a87d61730
hex1517c560da0

1449489993120 has 384 divisors, whose sum is σ = 5475411406080. Its totient is φ = 356017213440.

The previous prime is 1449489993109. The next prime is 1449489993121. The reversal of 1449489993120 is 213999849441.

1449489993120 is a `hidden beast` number, since 1 + 4 + 49 + 489 + 9 + 93 + 1 + 20 = 666.

It is not an unprimeable number, because it can be changed into a prime (1449489993121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25861767 + ... + 25917753.

It is an arithmetic number, because the mean of its divisors is an integer number (14258883870).

Almost surely, 21449489993120 is an apocalyptic number.

1449489993120 is a gapful number since it is divisible by the number (10) 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 1449489993120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2737705703040).

1449489993120 is an abundant number, since it is smaller than the sum of its proper divisors (4025921412960).

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

1449489993120 is a wasteful number, since it uses less digits than its factorization.

1449489993120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56485 (or 56471 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 63.

The spelling of 1449489993120 in words is "one trillion, four hundred forty-nine billion, four hundred eighty-nine million, nine hundred ninety-three thousand, one hundred twenty".