Base | Representation |
---|---|
bin | 11111000101011100100110… |
… | …00110101111010001100000 |
3 | 22222000212000222101222021000 |
4 | 33202232103012233101200 |
5 | 32424424333332024323 |
6 | 401214414055232000 |
7 | 20253423011431566 |
oct | 1742562306572140 |
9 | 288025028358230 |
10 | 68356872533088 |
11 | 1a864a945374a7 |
12 | 780002a378600 |
13 | 2c1b043b07399 |
14 | 12c46c14a3a36 |
15 | 7d81bc0a7e43 |
hex | 3e2b931af460 |
68356872533088 has 48 divisors (see below), whose sum is σ = 199374211557360. Its totient is φ = 22785624177408.
The previous prime is 68356872533087. The next prime is 68356872533101. The reversal of 68356872533088 is 88033527865386.
68356872533088 is a `hidden beast` number, since 6 + 8 + 3 + 5 + 6 + 8 + 7 + 2 + 533 + 0 + 88 = 666.
68356872533088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68356872533087) 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, 39558374445 + ... + 39558376172.
It is an arithmetic number, because the mean of its divisors is an integer number (4153629407445).
Almost surely, 268356872533088 is an apocalyptic number.
It is an amenable number.
68356872533088 is an abundant number, since it is smaller than the sum of its proper divisors (131017339024272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68356872533088 is a wasteful number, since it uses less digits than its factorization.
68356872533088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79116750636 (or 79116750622 counting only the distinct ones).
The product of its (nonzero) digits is 1393459200, while the sum is 72.
The spelling of 68356872533088 in words is "sixty-eight trillion, three hundred fifty-six billion, eight hundred seventy-two million, five hundred thirty-three thousand, eighty-eight".
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