Base | Representation |
---|---|
bin | 111111010101100011… |
… | …100101101110011010 |
3 | 20111112112220011100110 |
4 | 333111203211232122 |
5 | 2103234342323020 |
6 | 51124150145150 |
7 | 4625200146264 |
oct | 772543455632 |
9 | 214475804313 |
10 | 68007386010 |
11 | 2692943a753 |
12 | 1121b6521b6 |
13 | 654a688115 |
14 | 3412120b34 |
15 | 1b8070b8e0 |
hex | fd58e5b9a |
68007386010 has 64 divisors (see below), whose sum is σ = 170869450752. Its totient is φ = 17290253376.
The previous prime is 68007385951. The next prime is 68007386017. The reversal of 68007386010 is 1068370086.
It is a self number, because there is not a number n which added to its sum of digits gives 68007386010.
It is not an unprimeable number, because it can be changed into a prime (68007386017) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51307 + ... + 372353.
It is an arithmetic number, because the mean of its divisors is an integer number (2669835168).
Almost surely, 268007386010 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68007386010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85434725376).
68007386010 is an abundant number, since it is smaller than the sum of its proper divisors (102862064742).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68007386010 is a wasteful number, since it uses less digits than its factorization.
68007386010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 321387.
The product of its (nonzero) digits is 48384, while the sum is 39.
The spelling of 68007386010 in words is "sixty-eight billion, seven million, three hundred eighty-six thousand, ten".
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