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1493385042240 = 263357213318753
BaseRepresentation
bin10101101110110100101…
…011110101100101000000
312021202200120102110121000
4111232310223311211000
5143431423032322430
63102015052132000
7212615321262300
oct25566453654500
95252616373530
101493385042240
11526382a18753
12201517767000
13aaa96b15910
14523cccdd600
1528ca678be60
hex15bb4af5940

1493385042240 has 1344 divisors, whose sum is σ = 6813564549120. Its totient is φ = 304888872960.

The previous prime is 1493385042211. The next prime is 1493385042241. The reversal of 1493385042240 is 422405833941.

1493385042240 is a `hidden beast` number, since 1 + 4 + 93 + 38 + 504 + 2 + 24 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

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 (1493385042241) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 170609704 + ... + 170618456.

It is an arithmetic number, because the mean of its divisors is an integer number (5069616480).

Almost surely, 21493385042240 is an apocalyptic number.

1493385042240 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 1493385042240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3406782274560).

1493385042240 is an abundant number, since it is smaller than the sum of its proper divisors (5320179506880).

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

1493385042240 is a wasteful number, since it uses less digits than its factorization.

1493385042240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8837 (or 8814 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 1493385042240 in words is "one trillion, four hundred ninety-three billion, three hundred eighty-five million, forty-two thousand, two hundred forty".