Base | Representation |
---|---|
bin | 11010011101110110… |
… | …100000010100111110 |
3 | 2201100111200210221021 |
4 | 122131312200110332 |
5 | 431200014134003 |
6 | 21015522454354 |
7 | 2024140663606 |
oct | 323566402476 |
9 | 81314623837 |
10 | 28418114878 |
11 | 1106331535a |
12 | 56112043ba |
13 | 28ab7326ba |
14 | 153830bc06 |
15 | b14d072bd |
hex | 69dda053e |
28418114878 has 8 divisors (see below), whose sum is σ = 42632719272. Its totient is φ = 14207208456.
The previous prime is 28418114839. The next prime is 28418114887. The reversal of 28418114878 is 87841181482.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
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 3 ways as a sum of consecutive naturals, for example, 905200 + ... + 936067.
It is an arithmetic number, because the mean of its divisors is an integer number (5329089909).
Almost surely, 228418114878 is an apocalyptic number.
28418114878 is a deficient number, since it is larger than the sum of its proper divisors (14214604394).
28418114878 is a wasteful number, since it uses less digits than its factorization.
28418114878 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1848986.
The product of its digits is 917504, while the sum is 52.
The spelling of 28418114878 in words is "twenty-eight billion, four hundred eighteen million, one hundred fourteen thousand, eight hundred seventy-eight".
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