Base | Representation |
---|---|
bin | 11111010101111101101100… |
… | …11010110001011001000110 |
3 | 100001001002220222201111001200 |
4 | 33222332312122301121012 |
5 | 33013224133032422103 |
6 | 402331233233003330 |
7 | 20342423621131626 |
oct | 1752766632613106 |
9 | 301032828644050 |
10 | 68924400670278 |
11 | 1aa6374636093a |
12 | 78920163b3546 |
13 | 2c5c70a24248a |
14 | 1303d5ccd4886 |
15 | 7e7d362cd0a3 |
hex | 3eafb66b1646 |
68924400670278 has 12 divisors (see below), whose sum is σ = 149336201452308. Its totient is φ = 22974800223420.
The previous prime is 68924400670273. The next prime is 68924400670313. The reversal of 68924400670278 is 87207600442986.
68924400670278 is a `hidden beast` number, since 6 + 8 + 92 + 4 + 400 + 6 + 70 + 2 + 78 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68924400670273) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1914566685268 + ... + 1914566685303.
It is an arithmetic number, because the mean of its divisors is an integer number (12444683454359).
Almost surely, 268924400670278 is an apocalyptic number.
68924400670278 is an abundant number, since it is smaller than the sum of its proper divisors (80411800782030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68924400670278 is a wasteful number, since it uses less digits than its factorization.
68924400670278 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3829133370579 (or 3829133370576 counting only the distinct ones).
The product of its (nonzero) digits is 65028096, while the sum is 63.
The spelling of 68924400670278 in words is "sixty-eight trillion, nine hundred twenty-four billion, four hundred million, six hundred seventy thousand, two hundred seventy-eight".
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