Base | Representation |
---|---|
bin | 10010111010000110… |
… | …111100010101001101 |
3 | 1221101220021020010212 |
4 | 102322012330111031 |
5 | 313034334020331 |
6 | 13154323412205 |
7 | 1316052201101 |
oct | 227206742515 |
9 | 57356236125 |
10 | 20302251341 |
11 | 8679100a19 |
12 | 3b27224065 |
13 | 1bb71b3398 |
14 | da84c3901 |
15 | 7dc571d2b |
hex | 4ba1bc54d |
20302251341 has 4 divisors (see below), whose sum is σ = 20310653532. Its totient is φ = 20293849152.
The previous prime is 20302251337. The next prime is 20302251467. The reversal of 20302251341 is 14315220302.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 20122557316 + 179694025 = 141854^2 + 13405^2 .
It is a cyclic number.
It is not a de Polignac number, because 20302251341 - 22 = 20302251337 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 (20302251311) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4197470 + ... + 4202303.
It is an arithmetic number, because the mean of its divisors is an integer number (5077663383).
Almost surely, 220302251341 is an apocalyptic number.
It is an amenable number.
20302251341 is a deficient number, since it is larger than the sum of its proper divisors (8402191).
20302251341 is an equidigital number, since it uses as much as digits as its factorization.
20302251341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8402190.
The product of its (nonzero) digits is 1440, while the sum is 23.
Adding to 20302251341 its reverse (14315220302), we get a palindrome (34617471643).
The spelling of 20302251341 in words is "twenty billion, three hundred two million, two hundred fifty-one thousand, three hundred forty-one".
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