Base | Representation |
---|---|
bin | 111111111011111110… |
… | …111000111001011001 |
3 | 20120012110222211121221 |
4 | 333323332320321121 |
5 | 2111044412423013 |
6 | 51312140132041 |
7 | 4650156010630 |
oct | 777376707131 |
9 | 216173884557 |
10 | 68652076633 |
11 | 2712a342318 |
12 | 1137b537021 |
13 | 662110056a |
14 | 34739bc517 |
15 | 1bbc10608d |
hex | ffbfb8e59 |
68652076633 has 8 divisors (see below), whose sum is σ = 83074781952. Its totient is φ = 55383187776.
The previous prime is 68652076567. The next prime is 68652076637. The reversal of 68652076633 is 33667025686.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68652076633 - 221 = 68649979481 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68652076637) 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, 288453985 + ... + 288454222.
It is an arithmetic number, because the mean of its divisors is an integer number (10384347744).
Almost surely, 268652076633 is an apocalyptic number.
It is an amenable number.
68652076633 is a deficient number, since it is larger than the sum of its proper divisors (14422705319).
68652076633 is a wasteful number, since it uses less digits than its factorization.
68652076633 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 576908231.
The product of its (nonzero) digits is 6531840, while the sum is 52.
The spelling of 68652076633 in words is "sixty-eight billion, six hundred fifty-two million, seventy-six thousand, six hundred thirty-three".
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