Base | Representation |
---|---|
bin | 1011001011000101111… |
… | …01001010001000000000 |
3 | 1100200221111200222000002 |
4 | 11211202331022020000 |
5 | 22242223021220033 |
6 | 452211124415132 |
7 | 36510463416551 |
oct | 5454275121000 |
9 | 1320844628002 |
10 | 383912288768 |
11 | 1388a8529888 |
12 | 624a35474a8 |
13 | 2a283654b98 |
14 | 1481d71c328 |
15 | 9ebe3793e8 |
hex | 5962f4a200 |
383912288768 has 90 divisors (see below), whose sum is σ = 776574877221. Its totient is φ = 189607778304.
The previous prime is 383912288741. The next prime is 383912288791. The reversal of 383912288768 is 867882219383.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 245968386304 + 137943902464 = 495952^2 + 371408^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=438128.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1948793246 + ... + 1948793442.
Almost surely, 2383912288768 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 383912288768
383912288768 is an abundant number, since it is smaller than the sum of its proper divisors (392662588453).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
383912288768 is an frugal number, since it uses more digits than its factorization.
383912288768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 690 (or 338 counting only the distinct ones).
The product of its digits is 55738368, while the sum is 65.
The spelling of 383912288768 in words is "three hundred eighty-three billion, nine hundred twelve million, two hundred eighty-eight thousand, seven hundred sixty-eight".
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