Base | Representation |
---|---|
bin | 10010101110010011… |
… | …010000010011110001 |
3 | 1220220002111202100112 |
4 | 102232103100103301 |
5 | 312133130333210 |
6 | 13122525431105 |
7 | 1311125321636 |
oct | 225623202361 |
9 | 56802452315 |
10 | 20104152305 |
11 | 85872a7206 |
12 | 3a90a0b495 |
13 | 1b85143413 |
14 | d8a07818d |
15 | 7c9e90d05 |
hex | 4ae4d04f1 |
20104152305 has 16 divisors (see below), whose sum is σ = 24179504400. Its totient is φ = 16047018240.
The previous prime is 20104152293. The next prime is 20104152311. The reversal of 20104152305 is 50325140102.
It can be written as a sum of positive squares in 8 ways, for example, as 5872616689 + 14231535616 = 76633^2 + 119296^2 .
It is not a de Polignac number, because 20104152305 - 210 = 20104151281 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7333235 + ... + 7335975.
It is an arithmetic number, because the mean of its divisors is an integer number (1511219025).
Almost surely, 220104152305 is an apocalyptic number.
It is an amenable number.
20104152305 is a deficient number, since it is larger than the sum of its proper divisors (4075352095).
20104152305 is a wasteful number, since it uses less digits than its factorization.
20104152305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5524.
The product of its (nonzero) digits is 1200, while the sum is 23.
Adding to 20104152305 its reverse (50325140102), we get a palindrome (70429292407).
The spelling of 20104152305 in words is "twenty billion, one hundred four million, one hundred fifty-two thousand, three hundred five".
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