Base | Representation |
---|---|
bin | 10101101111110011110… |
… | …110001011101100011000 |
3 | 12021212102102101121122200 |
4 | 111233303312023230120 |
5 | 143441110322000442 |
6 | 3102312144450200 |
7 | 212653506342450 |
oct | 25576366135430 |
9 | 5255372347580 |
10 | 1494444718872 |
11 | 5268770a1466 |
12 | 201772619960 |
13 | aac05518801 |
14 | 5248d942d60 |
15 | 28d1980a34c |
hex | 15bf3d8bb18 |
1494444718872 has 768 divisors, whose sum is σ = 4959995040000. Its totient is φ = 397733068800.
The previous prime is 1494444718829. The next prime is 1494444718903. The reversal of 1494444718872 is 2788174444941.
1494444718872 is a `hidden beast` number, since 1 + 4 + 9 + 4 + 4 + 447 + 188 + 7 + 2 = 666.
It is a super-2 number, since 2×14944447188722 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 10029830254 + ... + 10029830402.
It is an arithmetic number, because the mean of its divisors is an integer number (6458326875).
Almost surely, 21494444718872 is an apocalyptic number.
1494444718872 is a gapful number since it is divisible by the number (12) 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 1494444718872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2479997520000).
1494444718872 is an abundant number, since it is smaller than the sum of its proper divisors (3465550321128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1494444718872 is a wasteful number, since it uses less digits than its factorization.
1494444718872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 452 (or 445 counting only the distinct ones).
The product of its digits is 57802752, while the sum is 63.
The spelling of 1494444718872 in words is "one trillion, four hundred ninety-four billion, four hundred forty-four million, seven hundred eighteen thousand, eight hundred seventy-two".
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