Base | Representation |
---|---|
bin | 10110101110111100… |
… | …11000011100111111 |
3 | 1011111120212021011222 |
4 | 23113132120130333 |
5 | 144443440004021 |
6 | 5335031303555 |
7 | 611310535604 |
oct | 132736303477 |
9 | 34446767158 |
10 | 12205000511 |
11 | 51a344a590 |
12 | 244751abbb |
13 | 11c677cbc2 |
14 | 83ad426ab |
15 | 4b67666ab |
hex | 2d779873f |
12205000511 has 8 divisors (see below), whose sum is σ = 13324080000. Its totient is φ = 11087510040.
The previous prime is 12205000487. The next prime is 12205000541. The reversal of 12205000511 is 11500050221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12205000511 - 218 = 12204738367 is a prime.
It is a super-2 number, since 2×122050005112 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12205000511.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12205000541) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381161 + ... + 411938.
It is an arithmetic number, because the mean of its divisors is an integer number (1665510000).
Almost surely, 212205000511 is an apocalyptic number.
12205000511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12205000511 is a deficient number, since it is larger than the sum of its proper divisors (1119079489).
12205000511 is a wasteful number, since it uses less digits than its factorization.
12205000511 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 794509.
The product of its (nonzero) digits is 100, while the sum is 17.
Adding to 12205000511 its reverse (11500050221), we get a palindrome (23705050732).
The spelling of 12205000511 in words is "twelve billion, two hundred five million, five hundred eleven", and thus it is an aban number.
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