Base | Representation |
---|---|
bin | 100100000111001011… |
… | …011110011101001001 |
3 | 10201002022021221100112 |
4 | 210013023132131021 |
5 | 1113402414421010 |
6 | 25451342044105 |
7 | 2541612242453 |
oct | 440713363511 |
9 | 121068257315 |
10 | 38775154505 |
11 | 1549862253a |
12 | 7621879635 |
13 | 386c39c309 |
14 | 1c3ba512d3 |
15 | 101e1dea05 |
hex | 9072de749 |
38775154505 has 8 divisors (see below), whose sum is σ = 46536644232. Its totient is φ = 31015817728.
The previous prime is 38775154501. The next prime is 38775154507. The reversal of 38775154505 is 50545157783.
38775154505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 1000899769 + 37774254736 = 31637^2 + 194356^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38775154505 - 22 = 38775154501 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38775154501) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498344 + ... + 570873.
It is an arithmetic number, because the mean of its divisors is an integer number (5817080529).
Almost surely, 238775154505 is an apocalyptic number.
It is an amenable number.
38775154505 is a deficient number, since it is larger than the sum of its proper divisors (7761489727).
38775154505 is a wasteful number, since it uses less digits than its factorization.
38775154505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1076475.
The product of its (nonzero) digits is 2940000, while the sum is 50.
The spelling of 38775154505 in words is "thirty-eight billion, seven hundred seventy-five million, one hundred fifty-four thousand, five hundred five".
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