Base | Representation |
---|---|
bin | 1010110010111111100… |
… | …0010000000111101010 |
3 | 122201202220021020110221 |
4 | 2230233320100013222 |
5 | 11014334114301340 |
6 | 221113403200254 |
7 | 16254352241434 |
oct | 2545770200752 |
9 | 581686236427 |
10 | 185486868970 |
11 | 71734558037 |
12 | 2bb4721608a |
13 | 1465060b490 |
14 | 8d987d5654 |
15 | 4c5928244a |
hex | 2b2fe101ea |
185486868970 has 64 divisors (see below), whose sum is σ = 372183880320. Its totient is φ = 66085625088.
The previous prime is 185486868937. The next prime is 185486868989. The reversal of 185486868970 is 79868684581.
185486868970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 185486868970.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6572109 + ... + 6600271.
It is an arithmetic number, because the mean of its divisors is an integer number (5815373130).
Almost surely, 2185486868970 is an apocalyptic number.
185486868970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
185486868970 is an abundant number, since it is smaller than the sum of its proper divisors (186697011350).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
185486868970 is a wasteful number, since it uses less digits than its factorization.
185486868970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29959.
The product of its (nonzero) digits is 185794560, while the sum is 70.
The spelling of 185486868970 in words is "one hundred eighty-five billion, four hundred eighty-six million, eight hundred sixty-eight thousand, nine hundred seventy".
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