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12205000511 = 111399793099
BaseRepresentation
bin10110101110111100…
…11000011100111111
31011111120212021011222
423113132120130333
5144443440004021
65335031303555
7611310535604
oct132736303477
934446767158
1012205000511
1151a344a590
12244751abbb
1311c677cbc2
1483ad426ab
154b67666ab
hex2d779873f

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.

Divisors: 1 11 1399 15389 793099 8724089 1109545501 12205000511