Base | Representation |
---|---|
bin | 10010101000111101… |
… | …000100010110000111 |
3 | 1220122211201101222222 |
4 | 102220331010112013 |
5 | 311442144400210 |
6 | 13110003042555 |
7 | 1305656006225 |
oct | 225075042607 |
9 | 56584641888 |
10 | 20014450055 |
11 | 85406a9616 |
12 | 3a6697045b |
13 | 1b6c696b72 |
14 | d7c1a7b15 |
15 | 7c2172655 |
hex | 4a8f44587 |
20014450055 has 4 divisors (see below), whose sum is σ = 24017340072. Its totient is φ = 16011560040.
The previous prime is 20014450019. The next prime is 20014450097. The reversal of 20014450055 is 55005441002.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 20014450055 - 214 = 20014433671 is a prime.
It is a super-2 number, since 2×200144500552 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001445001 + ... + 2001445010.
It is an arithmetic number, because the mean of its divisors is an integer number (6004335018).
Almost surely, 220014450055 is an apocalyptic number.
20014450055 is a deficient number, since it is larger than the sum of its proper divisors (4002890017).
20014450055 is an equidigital number, since it uses as much as digits as its factorization.
20014450055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4002890016.
The product of its (nonzero) digits is 4000, while the sum is 26.
Adding to 20014450055 its reverse (55005441002), we get a palindrome (75019891057).
The spelling of 20014450055 in words is "twenty billion, fourteen million, four hundred fifty thousand, fifty-five".
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