Base | Representation |
---|---|
bin | 101001000001011010111… |
… | …111111001111100101000 |
3 | 100222111101201100022220000 |
4 | 221001122333321330220 |
5 | 332141330430414130 |
6 | 5555013050303000 |
7 | 410445034150401 |
oct | 51013277717450 |
9 | 10874351308800 |
10 | 2819025248040 |
11 | 9975a6295a71 |
12 | 396419a27a60 |
13 | 175aa9c7b561 |
14 | 9a6278829a8 |
15 | 4d4e1695260 |
hex | 2905aff9f28 |
2819025248040 has 80 divisors (see below), whose sum is σ = 9475057094580. Its totient is φ = 751740065280.
The previous prime is 2819025248029. The next prime is 2819025248041. The reversal of 2819025248040 is 408425209182.
2819025248040 is a `hidden beast` number, since 2 + 8 + 1 + 9 + 0 + 2 + 524 + 80 + 40 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 2678269717764 + 140755530276 = 1636542^2 + 375174^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (2819025248041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 435031521 + ... + 435038000.
Almost surely, 22819025248040 is an apocalyptic number.
2819025248040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2819025248040 is an abundant number, since it is smaller than the sum of its proper divisors (6656031846540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2819025248040 is a wasteful number, since it uses less digits than its factorization.
2819025248040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 870069544 (or 870069531 counting only the distinct ones).
The product of its (nonzero) digits is 368640, while the sum is 45.
The spelling of 2819025248040 in words is "two trillion, eight hundred nineteen billion, twenty-five million, two hundred forty-eight thousand, forty".
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