Base | Representation |
---|---|
bin | 110101111000000… |
… | …0101101010010110 |
3 | 11122222122010210022 |
4 | 1223300011222112 |
5 | 12200242040324 |
6 | 455214425142 |
7 | 62540530160 |
oct | 15360055226 |
9 | 4588563708 |
10 | 1807768214 |
11 | 84849001a |
12 | 4255021b2 |
13 | 22a6acb45 |
14 | 132139930 |
15 | a8a9005e |
hex | 6bc05a96 |
1807768214 has 32 divisors (see below), whose sum is σ = 3236889600. Its totient is φ = 740358432.
The previous prime is 1807768211. The next prime is 1807768217. The reversal of 1807768214 is 4128677081.
It is an interprime number because it is at equal distance from previous prime (1807768211) and next prime (1807768217).
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1807768211) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448472 + ... + 452484.
It is an arithmetic number, because the mean of its divisors is an integer number (101152800).
Almost surely, 21807768214 is an apocalyptic number.
1807768214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
1807768214 is a deficient number, since it is larger than the sum of its proper divisors (1429121386).
1807768214 is a wasteful number, since it uses less digits than its factorization.
1807768214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5444.
The product of its (nonzero) digits is 150528, while the sum is 44.
The square root of 1807768214 is about 42517.8575894882. The cubic root of 1807768214 is about 1218.1878080188.
The spelling of 1807768214 in words is "one billion, eight hundred seven million, seven hundred sixty-eight thousand, two hundred fourteen".
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