Base | Representation |
---|---|
bin | 10010111100100010… |
… | …100000010111001001 |
3 | 1221111202000001122112 |
4 | 102330202200113021 |
5 | 313130303444431 |
6 | 13202341432105 |
7 | 1320055624661 |
oct | 227442402711 |
9 | 57452001575 |
10 | 20343031241 |
11 | 869a124515 |
12 | 3b38a0b635 |
13 | 1bc2790bc0 |
14 | dada9b1a1 |
15 | 7e0e29c2b |
hex | 4bc8a05c9 |
20343031241 has 8 divisors (see below), whose sum is σ = 21910029960. Its totient is φ = 18776339712.
The previous prime is 20343031231. The next prime is 20343031243. The reversal of 20343031241 is 14213034302.
It can be written as a sum of positive squares in 4 ways, for example, as 3829753225 + 16513278016 = 61885^2 + 128504^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20343031241 - 226 = 20275922377 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20343031243) 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, 71345 + ... + 213953.
It is an arithmetic number, because the mean of its divisors is an integer number (2738753745).
Almost surely, 220343031241 is an apocalyptic number.
It is an amenable number.
20343031241 is a deficient number, since it is larger than the sum of its proper divisors (1566998719).
20343031241 is a wasteful number, since it uses less digits than its factorization.
20343031241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 153595.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 20343031241 its reverse (14213034302), we get a palindrome (34556065543).
The spelling of 20343031241 in words is "twenty billion, three hundred forty-three million, thirty-one thousand, two hundred forty-one".
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