Base | Representation |
---|---|
bin | 10010101010100011… |
… | …111101101011000010 |
3 | 1220201201110210200110 |
4 | 102222203331223002 |
5 | 312021101023204 |
6 | 13112405132150 |
7 | 1306434201165 |
oct | 225243755302 |
9 | 56651423613 |
10 | 20041423554 |
11 | 8554952169 |
12 | 3a739ba056 |
13 | 1b7514c409 |
14 | d819c9adc |
15 | 7c46ee889 |
hex | 4aa8fdac2 |
20041423554 has 32 divisors (see below), whose sum is σ = 43553525760. Its totient is φ = 6124712400.
The previous prime is 20041423537. The next prime is 20041423621. The reversal of 20041423554 is 45532414002.
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, 2831982 + ... + 2839049.
It is an arithmetic number, because the mean of its divisors is an integer number (1361047680).
Almost surely, 220041423554 is an apocalyptic number.
20041423554 is an abundant number, since it is smaller than the sum of its proper divisors (23512102206).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20041423554 is a wasteful number, since it uses less digits than its factorization.
20041423554 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5671086.
The product of its (nonzero) digits is 19200, while the sum is 30.
Adding to 20041423554 its reverse (45532414002), we get a palindrome (65573837556).
The spelling of 20041423554 in words is "twenty billion, forty-one million, four hundred twenty-three thousand, five hundred fifty-four".
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