Base | Representation |
---|---|
bin | 11111010011110001111110… |
… | …00101000011110000010101 |
3 | 100000202221021221201002211200 |
4 | 33221320333011003300111 |
5 | 33011012014303424324 |
6 | 402232545334223113 |
7 | 20334126630264210 |
oct | 1751707705036025 |
9 | 300687257632750 |
10 | 68849384045589 |
11 | 1aa34950437454 |
12 | 787b57b4b4a99 |
13 | 2c55613698264 |
14 | 1300483d30777 |
15 | 7e5de557eec9 |
hex | 3e9e3f143c15 |
68849384045589 has 24 divisors (see below), whose sum is σ = 118597696743552. Its totient is φ = 37631961465120.
The previous prime is 68849384045573. The next prime is 68849384045621. The reversal of 68849384045589 is 98554048394886.
68849384045589 is a `hidden beast` number, since 6 + 8 + 8 + 4 + 9 + 3 + 84 + 0 + 455 + 89 = 666.
It is not a de Polignac number, because 68849384045589 - 24 = 68849384045573 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68849384045569) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23757549982 + ... + 23757552879.
It is an arithmetic number, because the mean of its divisors is an integer number (4941570697648).
Almost surely, 268849384045589 is an apocalyptic number.
68849384045589 is a gapful number since it is divisible by the number (69) formed by its first and last digit.
It is an amenable number.
68849384045589 is a deficient number, since it is larger than the sum of its proper divisors (49748312697963).
68849384045589 is a wasteful number, since it uses less digits than its factorization.
68849384045589 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47515102897 (or 47515102894 counting only the distinct ones).
The product of its (nonzero) digits is 9555148800, while the sum is 81.
The spelling of 68849384045589 in words is "sixty-eight trillion, eight hundred forty-nine billion, three hundred eighty-four million, forty-five thousand, five hundred eighty-nine".
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