Base | Representation |
---|---|
bin | 111111110010110000… |
… | …011000100111111110 |
3 | 20112210200201022212021 |
4 | 333302300120213332 |
5 | 2110240300420421 |
6 | 51244530230354 |
7 | 4643266161166 |
oct | 776260304776 |
9 | 215720638767 |
10 | 68497279486 |
11 | 2705aa23999 |
12 | 113377253ba |
13 | 65c801200c |
14 | 345b2055a6 |
15 | 1bad72a341 |
hex | ff2c189fe |
68497279486 has 16 divisors (see below), whose sum is σ = 104010978960. Its totient is φ = 33828572800.
The previous prime is 68497279469. The next prime is 68497279507.
It is a happy number.
68497279486 is nontrivially palindromic in base 10.
It is a congruent number.
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, 320011 + ... + 489286.
It is an arithmetic number, because the mean of its divisors is an integer number (6500686185).
Almost surely, 268497279486 is an apocalyptic number.
68497279486 is a deficient number, since it is larger than the sum of its proper divisors (35513699474).
68497279486 is a wasteful number, since it uses less digits than its factorization.
68497279486 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 809819.
The product of its digits is 292626432, while the sum is 70.
The spelling of 68497279486 in words is "sixty-eight billion, four hundred ninety-seven million, two hundred seventy-nine thousand, four hundred eighty-six".
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