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68240227348 = 2219338825689
BaseRepresentation
bin111111100011011011…
…110011110000010100
320112010210000201121201
4333203123303300110
52104223444233343
651203224522244
74634025235066
oct774333636024
9215123021551
1068240227348
1126a38913907
1211285620384
1365869a0767
143435011736
151b95da194d
hexfe36f3c14

68240227348 has 12 divisors (see below), whose sum is σ = 119482191220. Its totient is φ = 34102458432.

The previous prime is 68240227343. The next prime is 68240227379. The reversal of 68240227348 is 84372204286.

It can be written as a sum of positive squares in 2 ways, for example, as 19742498064 + 48497729284 = 140508^2 + 220222^2 .

It is a super-2 number, since 2×682402273482 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68240227298 and 68240227307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68240227343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4405113 + ... + 4420576.

Almost surely, 268240227348 is an apocalyptic number.

It is an amenable number.

68240227348 is a deficient number, since it is larger than the sum of its proper divisors (51241963872).

68240227348 is a wasteful number, since it uses less digits than its factorization.

68240227348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8827626 (or 8827624 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 46.

The spelling of 68240227348 in words is "sixty-eight billion, two hundred forty million, two hundred twenty-seven thousand, three hundred forty-eight".

Divisors: 1 2 4 1933 3866 7732 8825689 17651378 35302756 17060056837 34120113674 68240227348