Base | Representation |
---|---|
bin | 10011001000100010… |
… | …010011000000100101 |
3 | 1222000202201201210100 |
4 | 103020202103000211 |
5 | 314033320200031 |
6 | 13234331414313 |
7 | 1325051460345 |
oct | 231042230045 |
9 | 58022651710 |
10 | 20544303141 |
11 | 87927a602a |
12 | 3b942b4399 |
13 | 1c253a20bb |
14 | dcc6d0d25 |
15 | 803935de6 |
hex | 4c8893025 |
20544303141 has 6 divisors (see below), whose sum is σ = 29675104550. Its totient is φ = 13696202088.
The previous prime is 20544303137. The next prime is 20544303233. The reversal of 20544303141 is 14130344502.
It is a happy number.
20544303141 is a `hidden beast` number, since 20 + 544 + 30 + 31 + 41 = 666.
It can be written as a sum of positive squares in only one way, i.e., 17301456225 + 3242846916 = 131535^2 + 56946^2 .
It is not a de Polignac number, because 20544303141 - 22 = 20544303137 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 (20544323141) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1141350166 + ... + 1141350183.
Almost surely, 220544303141 is an apocalyptic number.
It is an amenable number.
20544303141 is a deficient number, since it is larger than the sum of its proper divisors (9130801409).
20544303141 is a wasteful number, since it uses less digits than its factorization.
20544303141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2282700355 (or 2282700352 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
Adding to 20544303141 its reverse (14130344502), we get a palindrome (34674647643).
The spelling of 20544303141 in words is "twenty billion, five hundred forty-four million, three hundred three thousand, one hundred forty-one".
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