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68285044341 = 3243233975437
BaseRepresentation
bin111111100110000110…
…110001011001110101
320112020220100122222100
4333212012301121311
52104321432404331
651211505252313
74635111204633
oct774606613165
9215226318870
1068285044341
1126a61144548
1211298634099
1365930629a7
14343ad5a353
151b99ca5ae6
hexfe61b1675

68285044341 has 24 divisors (see below), whose sum is σ = 100972254240. Its totient is φ = 44445080736.

The previous prime is 68285044337. The next prime is 68285044351. The reversal of 68285044341 is 14344058286.

68285044341 is a `hidden beast` number, since 68 + 2 + 8 + 504 + 43 + 41 = 666.

It is not a de Polignac number, because 68285044341 - 22 = 68285044337 is a prime.

It is a super-2 number, since 2×682850443412 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68285044351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 867475 + ... + 942911.

It is an arithmetic number, because the mean of its divisors is an integer number (4207177260).

Almost surely, 268285044341 is an apocalyptic number.

It is an amenable number.

68285044341 is a deficient number, since it is larger than the sum of its proper divisors (32687209899).

68285044341 is a wasteful number, since it uses less digits than its factorization.

68285044341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77825 (or 77822 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 68285044341 in words is "sixty-eight billion, two hundred eighty-five million, forty-four thousand, three hundred forty-one".

Divisors: 1 3 9 43 129 387 2339 7017 21051 75437 100577 226311 301731 678933 905193 3243791 9731373 29194119 176447143 529341429 1588024287 7587227149 22761681447 68285044341