Base | Representation |
---|---|
bin | 11111001101011010100101… |
… | …11000001000101110111001 |
3 | 100000000000202121001020021011 |
4 | 33212231102320020232321 |
5 | 32443421104223322304 |
6 | 401544255034513521 |
7 | 20312255024050633 |
oct | 1746552270105671 |
9 | 300000677036234 |
10 | 68630672870329 |
11 | 1a960117701349 |
12 | 78451015958a1 |
13 | 2c3aac99c595b |
14 | 12d3a56bb9a53 |
15 | 7e03945c3c04 |
hex | 3e6b52e08bb9 |
68630672870329 has 16 divisors (see below), whose sum is σ = 72960793234560. Its totient is φ = 64333135264000.
The previous prime is 68630672870317. The next prime is 68630672870341. The reversal of 68630672870329 is 92307827603686.
It is an interprime number because it is at equal distance from previous prime (68630672870317) and next prime (68630672870341).
It is a cyclic number.
It is not a de Polignac number, because 68630672870329 - 25 = 68630672870297 is a prime.
It is a super-2 number, since 2×686306728703292 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68630672870359) 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, 90865167 + ... + 91617355.
It is an arithmetic number, because the mean of its divisors is an integer number (4560049577160).
Almost surely, 268630672870329 is an apocalyptic number.
It is an amenable number.
68630672870329 is a deficient number, since it is larger than the sum of its proper divisors (4330120364231).
68630672870329 is a wasteful number, since it uses less digits than its factorization.
68630672870329 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 773840.
The product of its (nonzero) digits is 219469824, while the sum is 67.
The spelling of 68630672870329 in words is "sixty-eight trillion, six hundred thirty billion, six hundred seventy-two million, eight hundred seventy thousand, three hundred twenty-nine".
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