Base | Representation |
---|---|
bin | 1011011111110100100… |
… | …01110000101010111101 |
3 | 1101202200002022020112222 |
4 | 11233322101300222331 |
5 | 22433020442434431 |
6 | 501251311135125 |
7 | 40353324646445 |
oct | 5577221605275 |
9 | 1352602266488 |
10 | 395040983741 |
11 | 142599378058 |
12 | 6468a5144a5 |
13 | 2b33812bcb1 |
14 | 1519772d125 |
15 | a42138a57b |
hex | 5bfa470abd |
395040983741 has 4 divisors (see below), whose sum is σ = 395627969532. Its totient is φ = 394453997952.
The previous prime is 395040983731. The next prime is 395040983773. The reversal of 395040983741 is 147389040593.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 147389040593 = 421 ⋅350092733.
It can be written as a sum of positive squares in 2 ways, for example, as 68005686841 + 327035296900 = 260779^2 + 571870^2 .
It is a cyclic number.
It is not a de Polignac number, because 395040983741 - 26 = 395040983677 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (395040983731) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293491886 + ... + 293493231.
It is an arithmetic number, because the mean of its divisors is an integer number (98906992383).
Almost surely, 2395040983741 is an apocalyptic number.
It is an amenable number.
395040983741 is a deficient number, since it is larger than the sum of its proper divisors (586985791).
395040983741 is an equidigital number, since it uses as much as digits as its factorization.
395040983741 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 586985790.
The product of its (nonzero) digits is 3265920, while the sum is 53.
The spelling of 395040983741 in words is "three hundred ninety-five billion, forty million, nine hundred eighty-three thousand, seven hundred forty-one".
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