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68199831622 = 2132623070447
BaseRepresentation
bin111111100001000001…
…101101100001000110
320112000222000102002201
4333201001231201012
52104133124102442
651155223025114
74633025001226
oct774101554106
9215028012081
1068199831622
1126a18032a0a
1211273b9b19a
13657b4c8a70
14342d8d8086
151b925727b7
hexfe106d846

68199831622 has 8 divisors (see below), whose sum is σ = 110168958816. Its totient is φ = 31476845352.

The previous prime is 68199831613. The next prime is 68199831731. The reversal of 68199831622 is 22613899186.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1311535198 + ... + 1311535249.

It is an arithmetic number, because the mean of its divisors is an integer number (13771119852).

Almost surely, 268199831622 is an apocalyptic number.

68199831622 is a deficient number, since it is larger than the sum of its proper divisors (41969127194).

68199831622 is a wasteful number, since it uses less digits than its factorization.

68199831622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623070462.

The product of its digits is 2239488, while the sum is 55.

The spelling of 68199831622 in words is "sixty-eight billion, one hundred ninety-nine million, eight hundred thirty-one thousand, six hundred twenty-two".

Divisors: 1 2 13 26 2623070447 5246140894 34099915811 68199831622