Base | Representation |
---|---|
bin | 10010101111001111… |
… | …111010011000000111 |
3 | 1220221012102121100121 |
4 | 102233033322120013 |
5 | 312201213201010 |
6 | 13124254322411 |
7 | 1311410426251 |
oct | 225717723007 |
9 | 56835377317 |
10 | 20120053255 |
11 | 8595277895 |
12 | 3a961b9407 |
13 | 1b8851cb73 |
14 | d8c216cd1 |
15 | 7cb5823da |
hex | 4af3fa607 |
20120053255 has 8 divisors (see below), whose sum is σ = 24221699424. Its totient is φ = 16044285600.
The previous prime is 20120053223. The next prime is 20120053271. The reversal of 20120053255 is 55235002102.
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 20120053255 - 25 = 20120053223 is a prime.
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 7 ways as a sum of consecutive naturals, for example, 6467916 + ... + 6471025.
It is an arithmetic number, because the mean of its divisors is an integer number (3027712428).
Almost surely, 220120053255 is an apocalyptic number.
20120053255 is a deficient number, since it is larger than the sum of its proper divisors (4101646169).
20120053255 is a wasteful number, since it uses less digits than its factorization.
20120053255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12939257.
The product of its (nonzero) digits is 3000, while the sum is 25.
Adding to 20120053255 its reverse (55235002102), we get a palindrome (75355055357).
The spelling of 20120053255 in words is "twenty billion, one hundred twenty million, fifty-three thousand, two hundred fifty-five".
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