Base | Representation |
---|---|
bin | 100000000011011010… |
… | …0111000010100000000 |
3 | 20120200011022121120000 |
4 | 1000012310320110000 |
5 | 2111433001032201 |
6 | 51342155320000 |
7 | 4654525236042 |
oct | 1000664702400 |
9 | 216604277500 |
10 | 68834002176 |
11 | 27212aaa705 |
12 | 11410450000 |
13 | 664c9c9a04 |
14 | 348dc17a92 |
15 | 1bcd08ed86 |
hex | 1006d38500 |
68834002176 has 90 divisors (see below), whose sum is σ = 205250601402. Its totient is φ = 22944660480.
The previous prime is 68834002147. The next prime is 68834002183. The reversal of 68834002176 is 67120043886.
It can be written as a sum of positive squares in only one way, i.e., 42403046400 + 26430955776 = 205920^2 + 162576^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1639035 + ... + 1680506.
Almost surely, 268834002176 is an apocalyptic number.
It is an amenable number.
68834002176 is an abundant number, since it is smaller than the sum of its proper divisors (136416599226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68834002176 is an equidigital number, since it uses as much as digits as its factorization.
68834002176 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3319569 (or 3319546 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 45.
The spelling of 68834002176 in words is "sixty-eight billion, eight hundred thirty-four million, two thousand, one hundred seventy-six".
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