Base | Representation |
---|---|
bin | 110111111111100… |
… | …1010101111000000 |
3 | 11211221100110020220 |
4 | 1233333022233000 |
5 | 12321440030031 |
6 | 510233503040 |
7 | 64362535350 |
oct | 15777125700 |
9 | 4757313226 |
10 | 1878830016 |
11 | 884606888 |
12 | 445271a80 |
13 | 23c330a4b |
14 | 13b756b60 |
15 | aee2a596 |
hex | 6ffcabc0 |
1878830016 has 56 divisors (see below), whose sum is σ = 5681228160. Its totient is φ = 536808192.
The previous prime is 1878830011. The next prime is 1878830017. The reversal of 1878830016 is 6100388781.
It is a tau number, because it is divible by the number of its divisors (56).
It is a super-3 number, since 3×18788300163 (a number of 29 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a self number, because there is not a number n which added to its sum of digits gives 1878830016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1878830011) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 697626 + ... + 700313.
Almost surely, 21878830016 is an apocalyptic number.
1878830016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
1878830016 is an abundant number, since it is smaller than the sum of its proper divisors (3802398144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1878830016 is a wasteful number, since it uses less digits than its factorization.
1878830016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1397961 (or 1397951 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 42.
The square root of 1878830016 is about 43345.4728431932. The cubic root of 1878830016 is about 1233.9450778355.
The spelling of 1878830016 in words is "one billion, eight hundred seventy-eight million, eight hundred thirty thousand, sixteen".
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