Base | Representation |
---|---|
bin | 111110100100100100… |
… | …010010010011011100 |
3 | 20102102021100021011001 |
4 | 332210210102103130 |
5 | 2100043441010040 |
6 | 50510430040044 |
7 | 4565630125423 |
oct | 764444222334 |
9 | 212367307131 |
10 | 67185485020 |
11 | 26547500335 |
12 | 11030349024 |
13 | 6449307784 |
14 | 3374cd42ba |
15 | 1b334aa59a |
hex | fa49124dc |
67185485020 has 24 divisors (see below), whose sum is σ = 144370671984. Its totient is φ = 26249212416.
The previous prime is 67185484999. The next prime is 67185485111. The reversal of 67185485020 is 2058458176.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39060469 + ... + 39062188.
It is an arithmetic number, because the mean of its divisors is an integer number (6015444666).
Almost surely, 267185485020 is an apocalyptic number.
It is an amenable number.
67185485020 is an abundant number, since it is smaller than the sum of its proper divisors (77185186964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67185485020 is a wasteful number, since it uses less digits than its factorization.
67185485020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78122709 (or 78122707 counting only the distinct ones).
The product of its (nonzero) digits is 537600, while the sum is 46.
The spelling of 67185485020 in words is "sixty-seven billion, one hundred eighty-five million, four hundred eighty-five thousand, twenty".
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