Base | Representation |
---|---|
bin | 10010110001001011… |
… | …000110000000100011 |
3 | 1221000110012011202202 |
4 | 102301023012000203 |
5 | 312233000011421 |
6 | 13131410403415 |
7 | 1312252050200 |
oct | 226113060043 |
9 | 57013164682 |
10 | 20152344611 |
11 | 8601522863 |
12 | 3aa4b9056b |
13 | 1b92117a89 |
14 | d92620ca7 |
15 | 7ce31010b |
hex | 4b12c6023 |
20152344611 has 24 divisors (see below), whose sum is σ = 24003967680. Its totient is φ = 16860290832.
The previous prime is 20152344581. The next prime is 20152344613. The reversal of 20152344611 is 11644325102.
It is not a de Polignac number, because 20152344611 - 210 = 20152343587 is a prime.
It is a super-3 number, since 3×201523446113 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (20152344613) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4774460 + ... + 4778678.
It is an arithmetic number, because the mean of its divisors is an integer number (1000165320).
Almost surely, 220152344611 is an apocalyptic number.
20152344611 is a deficient number, since it is larger than the sum of its proper divisors (3851623069).
20152344611 is a wasteful number, since it uses less digits than its factorization.
20152344611 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6543 (or 6536 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 29.
Adding to 20152344611 its reverse (11644325102), we get a palindrome (31796669713).
The spelling of 20152344611 in words is "twenty billion, one hundred fifty-two million, three hundred forty-four thousand, six hundred eleven".
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