Base | Representation |
---|---|
bin | 111111011111101001… |
… | …000110001000000101 |
3 | 20111222100022012111201 |
4 | 333133221012020011 |
5 | 2104111202222410 |
6 | 51153033102501 |
7 | 4632323360230 |
oct | 773751061005 |
9 | 214870265451 |
10 | 68176601605 |
11 | 26a05a06952 |
12 | 11268257a31 |
13 | 65767543a8 |
14 | 342a7ac417 |
15 | 1b904d483a |
hex | fdfa46205 |
68176601605 has 16 divisors (see below), whose sum is σ = 93654941184. Its totient is φ = 46671868800.
The previous prime is 68176601579. The next prime is 68176601653. The reversal of 68176601605 is 50610667186.
It is not a de Polignac number, because 68176601605 - 219 = 68176077317 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1599517 + ... + 1641586.
It is an arithmetic number, because the mean of its divisors is an integer number (5853433824).
Almost surely, 268176601605 is an apocalyptic number.
It is an amenable number.
68176601605 is a deficient number, since it is larger than the sum of its proper divisors (25478339579).
68176601605 is a wasteful number, since it uses less digits than its factorization.
68176601605 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3241716.
The product of its (nonzero) digits is 362880, while the sum is 46.
The spelling of 68176601605 in words is "sixty-eight billion, one hundred seventy-six million, six hundred one thousand, six hundred five".
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