Base | Representation |
---|---|
bin | 111000110010101001010… |
… | …0110010000101100010001 |
3 | 1000122011221122202211011111 |
4 | 1301211102212100230101 |
5 | 2010340314340312020 |
6 | 24333420241213321 |
7 | 1433626430460313 |
oct | 161452246205421 |
9 | 30564848684144 |
10 | 7805341338385 |
11 | 253a254778688 |
12 | a60889031241 |
13 | 44806b076456 |
14 | 1cdacdb137b3 |
15 | d807c8bed5a |
hex | 71952990b11 |
7805341338385 has 8 divisors (see below), whose sum is σ = 9594858621096. Its totient is φ = 6091973727360.
The previous prime is 7805341338341. The next prime is 7805341338407. The reversal of 7805341338385 is 5838331435087.
It can be written as a sum of positive squares in 4 ways, for example, as 851192605201 + 6954148733184 = 922601^2 + 2637072^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 7805341338385 - 231 = 7803193854737 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19037417694 + ... + 19037418103.
It is an arithmetic number, because the mean of its divisors is an integer number (1199357327637).
Almost surely, 27805341338385 is an apocalyptic number.
It is an amenable number.
7805341338385 is a deficient number, since it is larger than the sum of its proper divisors (1789517282711).
7805341338385 is a wasteful number, since it uses less digits than its factorization.
7805341338385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38074835843.
The product of its (nonzero) digits is 29030400, while the sum is 58.
The spelling of 7805341338385 in words is "seven trillion, eight hundred five billion, three hundred forty-one million, three hundred thirty-eight thousand, three hundred eighty-five".
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