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11700000221 = 713128571431
BaseRepresentation
bin10101110010101111…
…11101010111011101
31010012101121121000112
422321113331113131
5142430200001341
65212551335405
7562636234550
oct127127752735
933171547015
1011700000221
114a64388378
122326381565
131145c66b70
147cdc48697
15487261aeb
hex2b95fd5dd

11700000221 has 8 divisors (see below), whose sum is σ = 14400000384. Its totient is φ = 9257142960.

The previous prime is 11700000199. The next prime is 11700000233. The reversal of 11700000221 is 12200000711.

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

It is not a de Polignac number, because 11700000221 - 222 = 11695805917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11700000196 and 11700000205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11700000241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64285625 + ... + 64285806.

It is an arithmetic number, because the mean of its divisors is an integer number (1800000048).

Almost surely, 211700000221 is an apocalyptic number.

It is an amenable number.

11700000221 is a deficient number, since it is larger than the sum of its proper divisors (2700000163).

11700000221 is a wasteful number, since it uses less digits than its factorization.

11700000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128571451.

The product of its (nonzero) digits is 28, while the sum is 14.

Adding to 11700000221 its reverse (12200000711), we get a palindrome (23900000932).

The spelling of 11700000221 in words is "eleven billion, seven hundred million, two hundred twenty-one", and thus it is an aban number.

Divisors: 1 7 13 91 128571431 900000017 1671428603 11700000221