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68255188286 = 22343118111901
BaseRepresentation
bin111111100100010100…
…111000010100111110
320112011211011211011112
4333210110320110332
52104241312011121
651204521322022
74634266346015
oct774424702476
9215154154145
1068255188286
1126a4630221a
121128a636312
136589b0b39c
143436dc7a7c
151b9735975b
hexfe453853e

68255188286 has 32 divisors (see below), whose sum is σ = 107197572096. Its totient is φ = 32532940000.

The previous prime is 68255188259. The next prime is 68255188297. The reversal of 68255188286 is 68288155286.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35903936 + ... + 35905836.

It is an arithmetic number, because the mean of its divisors is an integer number (3349924128).

Almost surely, 268255188286 is an apocalyptic number.

68255188286 is a deficient number, since it is larger than the sum of its proper divisors (38942383810).

68255188286 is a wasteful number, since it uses less digits than its factorization.

68255188286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168.

The product of its digits is 14745600, while the sum is 59.

The spelling of 68255188286 in words is "sixty-eight billion, two hundred fifty-five million, one hundred eighty-eight thousand, two hundred eighty-six".

Divisors: 1 2 23 46 431 862 1811 1901 3622 3802 9913 19826 41653 43723 83306 87446 780541 819331 1561082 1638662 3442711 6885422 17952443 18844613 35904886 37689226 79182353 158364706 1483808441 2967616882 34127594143 68255188286