Base | Representation |
---|---|
bin | 1010110000011111… |
… | …1100100110011100 |
3 | 21110020211122000022 |
4 | 2230013330212130 |
5 | 21403231430010 |
6 | 1154314451312 |
7 | 131363410064 |
oct | 25407744634 |
9 | 7406748008 |
10 | 2887764380 |
11 | 1252082136 |
12 | 687133b38 |
13 | 370378727 |
14 | 1d574c3a4 |
15 | 11d7c3d55 |
hex | ac1fc99c |
2887764380 has 12 divisors (see below), whose sum is σ = 6064305240. Its totient is φ = 1155105744.
The previous prime is 2887764367. The next prime is 2887764401. The reversal of 2887764380 is 834677882.
It is a super-2 number, since 2×28877643802 = 16678366228793568800, which contains 22 as substring.
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 3 ways as a sum of consecutive naturals, for example, 72194090 + ... + 72194129.
It is an arithmetic number, because the mean of its divisors is an integer number (505358770).
Almost surely, 22887764380 is an apocalyptic number.
2887764380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2887764380 is an abundant number, since it is smaller than the sum of its proper divisors (3176540860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2887764380 is a wasteful number, since it uses less digits than its factorization.
2887764380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144388228 (or 144388226 counting only the distinct ones).
The product of its (nonzero) digits is 3612672, while the sum is 53.
The square root of 2887764380 is about 53737.9231083599. The cubic root of 2887764380 is about 1424.0347426349.
The spelling of 2887764380 in words is "two billion, eight hundred eighty-seven million, seven hundred sixty-four thousand, three hundred eighty".
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