Base | Representation |
---|---|
bin | 11111010011110001111110… |
… | …00101000011101110011001 |
3 | 100000202221021221201002200002 |
4 | 33221320333011003232121 |
5 | 33011012014303423330 |
6 | 402232545334222345 |
7 | 20334126630263642 |
oct | 1751707705035631 |
9 | 300687257632602 |
10 | 68849384045465 |
11 | 1aa34950437351 |
12 | 787b57b4b49b5 |
13 | 2c5561369819a |
14 | 1300483d306c9 |
15 | 7e5de557ee45 |
hex | 3e9e3f143b99 |
68849384045465 has 8 divisors (see below), whose sum is σ = 84019587310080. Its totient is φ = 54145956266032.
The previous prime is 68849384045413. The next prime is 68849384045479. The reversal of 68849384045465 is 56454048394886.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68849384045465 - 224 = 68849367268249 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 68849384045392 and 68849384045401.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116693870969 + ... + 116693871558.
It is an arithmetic number, because the mean of its divisors is an integer number (10502448413760).
Almost surely, 268849384045465 is an apocalyptic number.
It is an amenable number.
68849384045465 is a deficient number, since it is larger than the sum of its proper divisors (15170203264615).
68849384045465 is a wasteful number, since it uses less digits than its factorization.
68849384045465 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 233387742591.
The product of its (nonzero) digits is 3185049600, while the sum is 74.
The spelling of 68849384045465 in words is "sixty-eight trillion, eight hundred forty-nine billion, three hundred eighty-four million, forty-five thousand, four hundred sixty-five".
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