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205335253211 = 11591313077867
BaseRepresentation
bin1011111100111011101…
…1110101000011011011
3201122000011111122000012
42333032323311003123
511331011311100321
6234155115032135
720556253566044
oct2771673650333
9648004448005
10205335253211
117a09a440980
123396643b64b
131649476c93a
149d1c8d18cb
15551ba5005b
hex2fceef50db

205335253211 has 32 divisors (see below), whose sum is σ = 230314613760. Its totient is φ = 181487498400.

The previous prime is 205335253199. The next prime is 205335253271. The reversal of 205335253211 is 112352533502.

It is a cyclic number.

It is not a de Polignac number, because 205335253211 - 26 = 205335253147 is a prime.

It is a super-2 number, since 2×2053352532112 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (205335253271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26096900 + ... + 26104766.

It is an arithmetic number, because the mean of its divisors is an integer number (7197331680).

Almost surely, 2205335253211 is an apocalyptic number.

205335253211 is a deficient number, since it is larger than the sum of its proper divisors (24979360549).

205335253211 is a wasteful number, since it uses less digits than its factorization.

205335253211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8375.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 205335253211 its reverse (112352533502), we get a palindrome (317687786713).

The spelling of 205335253211 in words is "two hundred five billion, three hundred thirty-five million, two hundred fifty-three thousand, two hundred eleven".

Divisors: 1 11 59 131 307 649 1441 3377 7729 7867 18113 40217 85019 86537 199243 442387 464153 1030577 2372803 2415169 5105683 11336347 26100833 26566859 60804043 142494971 316387139 668844473 1567444681 3480258529 18666841201 205335253211