Base | Representation |
---|---|
bin | 111111101101011101… |
… | …101010001010000101 |
3 | 20112120111122002000112 |
4 | 333231131222022011 |
5 | 2110100033000420 |
6 | 51232035122405 |
7 | 4641140344505 |
oct | 775535521205 |
9 | 215514562015 |
10 | 68408484485 |
11 | 270148959a0 |
12 | 11311a43405 |
13 | 65b27c26b3 |
14 | 344d4cda05 |
15 | 1ba5a3a8c5 |
hex | fed76a285 |
68408484485 has 8 divisors (see below), whose sum is σ = 89552925216. Its totient is φ = 49751625040.
The previous prime is 68408484479. The next prime is 68408484493. The reversal of 68408484485 is 58448480486.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68408484485 - 212 = 68408480389 is a prime.
It is a Duffinian number.
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, 621895259 + ... + 621895368.
It is an arithmetic number, because the mean of its divisors is an integer number (11194115652).
Almost surely, 268408484485 is an apocalyptic number.
It is an amenable number.
68408484485 is a deficient number, since it is larger than the sum of its proper divisors (21144440731).
68408484485 is a wasteful number, since it uses less digits than its factorization.
68408484485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1243790643.
The product of its (nonzero) digits is 31457280, while the sum is 59.
The spelling of 68408484485 in words is "sixty-eight billion, four hundred eight million, four hundred eighty-four thousand, four hundred eighty-five".
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