Base | Representation |
---|---|
bin | 10001101010111000001011… |
… | …01010101100011101111100 |
3 | 12002120122211201220202211222 |
4 | 20311130011222230131330 |
5 | 20043111422014031210 |
6 | 214350301034132512 |
7 | 11120205235121033 |
oct | 1065340552543574 |
9 | 162518751822758 |
10 | 38856664205180 |
11 | 11421022a53018 |
12 | 4436822281138 |
13 | 188b224604163 |
14 | 98495b7cb71a |
15 | 475b3e9b0655 |
hex | 235705aac77c |
38856664205180 has 12 divisors (see below), whose sum is σ = 81598994830920. Its totient is φ = 15542665682064.
The previous prime is 38856664205173. The next prime is 38856664205239. The reversal of 38856664205180 is 8150246665883.
It is a super-2 number, since 2×388566642051802 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971416605110 + ... + 971416605149.
It is an arithmetic number, because the mean of its divisors is an integer number (6799916235910).
Almost surely, 238856664205180 is an apocalyptic number.
It is an amenable number.
38856664205180 is an abundant number, since it is smaller than the sum of its proper divisors (42742330625740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38856664205180 is a wasteful number, since it uses less digits than its factorization.
38856664205180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1942833210268 (or 1942833210266 counting only the distinct ones).
The product of its (nonzero) digits is 66355200, while the sum is 62.
The spelling of 38856664205180 in words is "thirty-eight trillion, eight hundred fifty-six billion, six hundred sixty-four million, two hundred five thousand, one hundred eighty".
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