Base | Representation |
---|---|
bin | 10011000111011001… |
… | …000101101110111111 |
3 | 1221222102121201211210 |
4 | 103013121011232333 |
5 | 314013412043010 |
6 | 13232404215503 |
7 | 1324426401264 |
oct | 230731055677 |
9 | 57872551753 |
10 | 20525112255 |
11 | 878298869a |
12 | 3b8999a593 |
13 | 1c2141304b |
14 | dc9d3726b |
15 | 801de4b20 |
hex | 4c7645bbf |
20525112255 has 32 divisors (see below), whose sum is σ = 34283059200. Its totient is φ = 10466184960.
The previous prime is 20525112203. The next prime is 20525112269. The reversal of 20525112255 is 55221152502.
It is not a de Polignac number, because 20525112255 - 210 = 20525111231 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 857946 + ... + 881544.
It is an arithmetic number, because the mean of its divisors is an integer number (1071345600).
Almost surely, 220525112255 is an apocalyptic number.
20525112255 is a deficient number, since it is larger than the sum of its proper divisors (13757946945).
20525112255 is a wasteful number, since it uses less digits than its factorization.
20525112255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26151.
The product of its (nonzero) digits is 10000, while the sum is 30.
Adding to 20525112255 its reverse (55221152502), we get a palindrome (75746264757).
The spelling of 20525112255 in words is "twenty billion, five hundred twenty-five million, one hundred twelve thousand, two hundred fifty-five".
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