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10511530205 = 511191118731
BaseRepresentation
bin10011100101000100…
…10011100011011101
31000010120022001122112
421302202103203131
5133011422431310
64455014323405
7521325350441
oct116242234335
930116261575
1010511530205
114504537250
122054359565
13cb697b777
1471a07a821
15417c52705
hex2728938dd

10511530205 has 8 divisors (see below), whose sum is σ = 13760548704. Its totient is φ = 7644749200.

The previous prime is 10511530201. The next prime is 10511530217. The reversal of 10511530205 is 50203511501.

It is a happy number.

10511530205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10511530205 - 22 = 10511530201 is a prime.

It is a super-2 number, since 2×105115302052 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10511530201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95559311 + ... + 95559420.

It is an arithmetic number, because the mean of its divisors is an integer number (1720068588).

Almost surely, 210511530205 is an apocalyptic number.

It is an amenable number.

10511530205 is a deficient number, since it is larger than the sum of its proper divisors (3249018499).

10511530205 is a wasteful number, since it uses less digits than its factorization.

10511530205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191118747.

The product of its (nonzero) digits is 750, while the sum is 23.

The spelling of 10511530205 in words is "ten billion, five hundred eleven million, five hundred thirty thousand, two hundred five".

Divisors: 1 5 11 55 191118731 955593655 2102306041 10511530205