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68313068373 = 3112188190271
BaseRepresentation
bin111111100111110001…
…101011001101010101
320112022212002102201110
4333213301223031111
52104401121141443
651214350045233
74635601333434
oct774761531525
9215285072643
1068313068373
1126a75a45400
12112a5aa9819
136598ac5464
14344097311b
151b9c48e233
hexfe7c6b355

68313068373 has 12 divisors (see below), whose sum is σ = 100117224704. Its totient is φ = 41401859400.

The previous prime is 68313068371. The next prime is 68313068423. The reversal of 68313068373 is 37386031386.

It is not a de Polignac number, because 68313068373 - 21 = 68313068371 is a prime.

It is a super-3 number, since 3×683130683733 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68313068371) 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 11 ways as a sum of consecutive naturals, for example, 94094773 + ... + 94095498.

Almost surely, 268313068373 is an apocalyptic number.

It is an amenable number.

68313068373 is a deficient number, since it is larger than the sum of its proper divisors (31804156331).

68313068373 is a wasteful number, since it uses less digits than its factorization.

68313068373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188190296 (or 188190285 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 48.

The spelling of 68313068373 in words is "sixty-eight billion, three hundred thirteen million, sixty-eight thousand, three hundred seventy-three".

Divisors: 1 3 11 33 121 363 188190271 564570813 2070092981 6210278943 22771022791 68313068373