Base | Representation |
---|---|
bin | 11111010011000011110110… |
… | …10011000110101010100101 |
3 | 100000200120101102100202021000 |
4 | 33221201323103012222211 |
5 | 33010110312341303314 |
6 | 402213332424343513 |
7 | 20332262233144350 |
oct | 1751417323065245 |
9 | 300616342322230 |
10 | 68824624556709 |
11 | 1aa253a5342a4a |
12 | 787680b614b99 |
13 | 2c53198c31418 |
14 | 12dd1b58b3297 |
15 | 7e5446a6a209 |
hex | 3e987b4c6aa5 |
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".
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