Base | Representation |
---|---|
bin | 10010101011010101… |
… | …001000000011001011 |
3 | 1220202121201120002112 |
4 | 102223111020003023 |
5 | 312032400423430 |
6 | 13113545252535 |
7 | 1306651555226 |
oct | 225325100313 |
9 | 56677646075 |
10 | 20054311115 |
11 | 8561154843 |
12 | 3a7819414b |
13 | 1b77a123a7 |
14 | d835c25bd |
15 | 7c58e8195 |
hex | 4ab5480cb |
20054311115 has 8 divisors (see below), whose sum is σ = 24107470560. Its totient is φ = 16015250752.
The previous prime is 20054311037. The next prime is 20054311157. The reversal of 20054311115 is 51111345002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20054311115 - 210 = 20054310091 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3521639 + ... + 3527328.
It is an arithmetic number, because the mean of its divisors is an integer number (3013433820).
Almost surely, 220054311115 is an apocalyptic number.
20054311115 is a deficient number, since it is larger than the sum of its proper divisors (4053159445).
20054311115 is an equidigital number, since it uses as much as digits as its factorization.
20054311115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7049541.
The product of its (nonzero) digits is 600, while the sum is 23.
Adding to 20054311115 its reverse (51111345002), we get a palindrome (71165656117).
The spelling of 20054311115 in words is "twenty billion, fifty-four million, three hundred eleven thousand, one hundred fifteen".
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