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68824624556709 = 337364151452681
BaseRepresentation
bin11111010011000011110110…
…10011000110101010100101
3100000200120101102100202021000
433221201323103012222211
533010110312341303314
6402213332424343513
720332262233144350
oct1751417323065245
9300616342322230
1068824624556709
111aa253a5342a4a
12787680b614b99
132c53198c31418
1412dd1b58b3297
157e5446a6a209
hex3e987b4c6aa5

68824624556709 has 16 divisors (see below), whose sum is σ = 116528464858240. Its totient is φ = 39328356889440.

The previous prime is 68824624556683. The next prime is 68824624556717. The reversal of 68824624556709 is 90765542642886.

68824624556709 is a `hidden beast` number, since 6 + 8 + 8 + 2 + 4 + 62 + 4 + 556 + 7 + 0 + 9 = 666.

It is not a de Polignac number, because 68824624556709 - 27 = 68824624556581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68824624556749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182075726152 + ... + 182075726529.

It is an arithmetic number, because the mean of its divisors is an integer number (7283029053640).

Almost surely, 268824624556709 is an apocalyptic number.

It is an amenable number.

68824624556709 is a deficient number, since it is larger than the sum of its proper divisors (47703840301531).

68824624556709 is a wasteful number, since it uses less digits than its factorization.

68824624556709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364151452697 (or 364151452691 counting only the distinct ones).

The product of its (nonzero) digits is 1393459200, while the sum is 72.

The spelling of 68824624556709 in words is "sixty-eight trillion, eight hundred twenty-four billion, six hundred twenty-four million, five hundred fifty-six thousand, seven hundred nine".

Divisors: 1 3 7 9 21 27 63 189 364151452681 1092454358043 2549060168767 3277363074129 7647180506301 9832089222387 22941541518903 68824624556709