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68373452543 = 1159105352007
BaseRepresentation
bin111111101011011000…
…000001011011111111
320112111001201021020012
4333223120001123333
52110012100440133
651224344213435
74640233520534
oct775330013377
9215431637205
1068373452543
1126aa7038980
121130216a27b
1365a8478236
1434489b0d8b
151ba291ab48
hexfeb6016ff

68373452543 has 8 divisors (see below), whose sum is σ = 75853445760. Its totient is φ = 61104163480.

The previous prime is 68373452507. The next prime is 68373452557. The reversal of 68373452543 is 34525437386.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 68373452543 - 26 = 68373452479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68373452491 and 68373452500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68373454543) 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 7 ways as a sum of consecutive naturals, for example, 52675355 + ... + 52676652.

It is an arithmetic number, because the mean of its divisors is an integer number (9481680720).

Almost surely, 268373452543 is an apocalyptic number.

68373452543 is a deficient number, since it is larger than the sum of its proper divisors (7479993217).

68373452543 is a wasteful number, since it uses less digits than its factorization.

68373452543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105352077.

The product of its digits is 7257600, while the sum is 50.

The spelling of 68373452543 in words is "sixty-eight billion, three hundred seventy-three million, four hundred fifty-two thousand, five hundred forty-three".

Divisors: 1 11 59 649 105352007 1158872077 6215768413 68373452543