Base | Representation |
---|---|
bin | 11111001000010101111100… |
… | …00011100011001111101110 |
3 | 22222101100212122022012020220 |
4 | 33210022332003203033232 |
5 | 32433042130101143421 |
6 | 401332231533152210 |
7 | 20263544563521015 |
oct | 1744127603431756 |
9 | 288340778265226 |
10 | 68456377365486 |
11 | 1a8a3206406880 |
12 | 781737a32b666 |
13 | 2c27540b64436 |
14 | 12c9440869a7c |
15 | 7daa92ad13c6 |
hex | 3e42be0e33ee |
68456377365486 has 32 divisors (see below), whose sum is σ = 155853254400768. Its totient is φ = 19842428221440.
The previous prime is 68456377365479. The next prime is 68456377365487.
68456377365486 is nontrivially palindromic in base 10.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68456377365487) 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, 22548212371 + ... + 22548215406.
It is an arithmetic number, because the mean of its divisors is an integer number (4870414200024).
Almost surely, 268456377365486 is an apocalyptic number.
68456377365486 is a gapful number since it is divisible by the number (66) formed by its first and last digit.
68456377365486 is an abundant number, since it is smaller than the sum of its proper divisors (87396877035282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68456377365486 is a wasteful number, since it uses less digits than its factorization.
68456377365486 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45096427816.
The product of its digits is 14631321600, while the sum is 78.
The spelling of 68456377365486 in words is "sixty-eight trillion, four hundred fifty-six billion, three hundred seventy-seven million, three hundred sixty-five thousand, four hundred eighty-six".
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