Base | Representation |
---|---|
bin | 101000111011101101001… |
… | …110010111101100000000 |
3 | 100221220120001010020021200 |
4 | 220323231032113230000 |
5 | 332041243434010231 |
6 | 5552120112221200 |
7 | 410140000263441 |
oct | 50735516275400 |
9 | 10856501106250 |
10 | 2812888578816 |
11 | 994a372a8608 |
12 | 3951a683a800 |
13 | 17533c7a0534 |
14 | 9a2048592c8 |
15 | 4d282a62be6 |
hex | 28eed397b00 |
2812888578816 has 216 divisors, whose sum is σ = 8675865669744. Its totient is φ = 873375989760.
The previous prime is 2812888578793. The next prime is 2812888578893. The reversal of 2812888578816 is 6188758882182.
2812888578816 is a `hidden beast` number, since 28 + 1 + 28 + 8 + 8 + 578 + 8 + 1 + 6 = 666.
2812888578816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3429111 + ... + 4169481.
Almost surely, 22812888578816 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2812888578816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4337932834872).
2812888578816 is an abundant number, since it is smaller than the sum of its proper divisors (5862977090928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2812888578816 is a wasteful number, since it uses less digits than its factorization.
2812888578816 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 740507 (or 740490 counting only the distinct ones).
The product of its digits is 220200960, while the sum is 72.
The spelling of 2812888578816 in words is "two trillion, eight hundred twelve billion, eight hundred eighty-eight million, five hundred seventy-eight thousand, eight hundred sixteen".
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