Base | Representation |
---|---|
bin | 10010101000111011… |
… | …011100001100011111 |
3 | 1220122210220201210222 |
4 | 102220323130030133 |
5 | 311442042222310 |
6 | 13105545551555 |
7 | 1305652251416 |
oct | 225073341437 |
9 | 56583821728 |
10 | 20014023455 |
11 | 8540438058 |
12 | 3a667a55bb |
13 | 1b6c57793a |
14 | d7c0d647d |
15 | 7c20db055 |
hex | 4a8edc31f |
20014023455 has 8 divisors (see below), whose sum is σ = 24200163504. Its totient is φ = 15888995200.
The previous prime is 20014023439. The next prime is 20014023457. The reversal of 20014023455 is 55432041002.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20014023455 - 24 = 20014023439 is a prime.
It is a super-2 number, since 2×200140234552 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20014023457) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15277226 + ... + 15278535.
It is an arithmetic number, because the mean of its divisors is an integer number (3025020438).
Almost surely, 220014023455 is an apocalyptic number.
20014023455 is a deficient number, since it is larger than the sum of its proper divisors (4186140049).
20014023455 is a wasteful number, since it uses less digits than its factorization.
20014023455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30555897.
The product of its (nonzero) digits is 4800, while the sum is 26.
Adding to 20014023455 its reverse (55432041002), we get a palindrome (75446064457).
The spelling of 20014023455 in words is "twenty billion, fourteen million, twenty-three thousand, four hundred fifty-five".
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