Base | Representation |
---|---|
bin | 100000000001001110… |
… | …1000011111110100001 |
3 | 20120111001021220210011 |
4 | 1000002131003332201 |
5 | 2111310211242013 |
6 | 51331015204521 |
7 | 4652644610164 |
oct | 1000235037641 |
9 | 216431256704 |
10 | 68760649633 |
11 | 27185659875 |
12 | 113ab976741 |
13 | 663a756240 |
14 | 34841a1adb |
15 | 1bc6900c3d |
hex | 1002743fa1 |
68760649633 has 8 divisors (see below), whose sum is σ = 74087225408. Its totient is φ = 63439401744.
The previous prime is 68760649609. The next prime is 68760649673. The reversal of 68760649633 is 33694606786.
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 68760649633 - 29 = 68760649121 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68760649673) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1305141 + ... + 1356802.
It is an arithmetic number, because the mean of its divisors is an integer number (9260903176).
Almost surely, 268760649633 is an apocalyptic number.
It is an amenable number.
68760649633 is a deficient number, since it is larger than the sum of its proper divisors (5326575775).
68760649633 is a wasteful number, since it uses less digits than its factorization.
68760649633 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2663943.
The product of its (nonzero) digits is 23514624, while the sum is 58.
The spelling of 68760649633 in words is "sixty-eight billion, seven hundred sixty million, six hundred forty-nine thousand, six hundred thirty-three".
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