Base | Representation |
---|---|
bin | 10010101100001110101… |
… | …111011010000011010000 |
3 | 11112210101000020002110120 |
4 | 102230032233122003100 |
5 | 132021014241430000 |
6 | 2422021553030240 |
7 | 161540453236110 |
oct | 22541657320320 |
9 | 4483330202416 |
10 | 1284442530000 |
11 | 455802360773 |
12 | 188b25255380 |
13 | 94178c23aa6 |
14 | 4624b2cd040 |
15 | 236281e46a0 |
hex | 12b0ebda0d0 |
1284442530000 has 800 divisors, whose sum is σ = 4921918881792. Its totient is φ = 282355200000.
The previous prime is 1284442529983. The next prime is 1284442530017. The reversal of 1284442530000 is 352444821.
It is an interprime number because it is at equal distance from previous prime (1284442529983) and next prime (1284442530017).
It is a super-2 number, since 2×12844425300002 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1243409484 + ... + 1243410516.
Almost surely, 21284442530000 is an apocalyptic number.
1284442530000 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 1284442530000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2460959440896).
1284442530000 is an abundant number, since it is smaller than the sum of its proper divisors (3637476351792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1284442530000 is a wasteful number, since it uses less digits than its factorization.
1284442530000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1293 (or 1272 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 33.
Adding to 1284442530000 its reverse (352444821), we get a palindrome (1284794974821).
The spelling of 1284442530000 in words is "one trillion, two hundred eighty-four billion, four hundred forty-two million, five hundred thirty thousand".
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