Base | Representation |
---|---|
bin | 11111001001100010110110… |
… | …00101110010001010111110 |
3 | 22222112022110011102200001202 |
4 | 33210301123011302022332 |
5 | 32434231210132220421 |
6 | 401403221010335502 |
7 | 20266536015064532 |
oct | 1744613305621276 |
9 | 288468404380052 |
10 | 68497666679486 |
11 | 1a909774123580 |
12 | 7823381b8a592 |
13 | 2c2b3c107ca95 |
14 | 12cb43a375bc2 |
15 | 7dbbac89710b |
hex | 3e4c5b1722be |
68497666679486 has 32 divisors (see below), whose sum is σ = 118681613763552. Its totient is φ = 29303527080960.
The previous prime is 68497666679461. The next prime is 68497666679551.
68497666679486 is nontrivially palindromic in base 10.
It is a junction number, because it is equal to n+sod(n) for n = 68497666679395 and 68497666679404.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39718580 + ... + 41407256.
It is an arithmetic number, because the mean of its divisors is an integer number (3708800430111).
Almost surely, 268497666679486 is an apocalyptic number.
68497666679486 is a deficient number, since it is larger than the sum of its proper divisors (50183947084066).
68497666679486 is a wasteful number, since it uses less digits than its factorization.
68497666679486 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1797164.
The product of its digits is 189621927936, while the sum is 92.
The spelling of 68497666679486 in words is "sixty-eight trillion, four hundred ninety-seven billion, six hundred sixty-six million, six hundred seventy-nine thousand, four hundred eighty-six".
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