Base | Representation |
---|---|
bin | 11101111010111001101… |
… | …11101010101011001010 |
3 | 10122021120221101022222201 |
4 | 32331130313222223022 |
5 | 113320424122432310 |
6 | 2104140532310414 |
7 | 134163111462151 |
oct | 16753467525312 |
9 | 3567527338881 |
10 | 1028055280330 |
11 | 366aa544a291 |
12 | 1472b177240a |
13 | 75c397a0230 |
14 | 37a884a6598 |
15 | 1bb1e79be3a |
hex | ef5cdeaaca |
1028055280330 has 32 divisors (see below), whose sum is σ = 1993012003584. Its totient is φ = 379557950016.
The previous prime is 1028055280327. The next prime is 1028055280363. The reversal of 1028055280330 is 330825508201.
It is a self number, because there is not a number n which added to its sum of digits gives 1028055280330.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1262367 + ... + 1910413.
It is an arithmetic number, because the mean of its divisors is an integer number (62281625112).
Almost surely, 21028055280330 is an apocalyptic number.
1028055280330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1028055280330 is a deficient number, since it is larger than the sum of its proper divisors (964956723254).
1028055280330 is a wasteful number, since it uses less digits than its factorization.
1028055280330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 660270.
The product of its (nonzero) digits is 57600, while the sum is 37.
The spelling of 1028055280330 in words is "one trillion, twenty-eight billion, fifty-five million, two hundred eighty thousand, three hundred thirty".
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