Base | Representation |
---|---|
bin | 10011111111010101… |
… | …11000010000000110 |
3 | 1000200220221001202210 |
4 | 21333222320100012 |
5 | 133434330201403 |
6 | 4532525244250 |
7 | 526642326123 |
oct | 117752702006 |
9 | 30626831683 |
10 | 10731881478 |
11 | 460795a43a |
12 | 20b6103686 |
13 | 1020510036 |
14 | 73b43974a |
15 | 42c27bb03 |
hex | 27fab8406 |
10731881478 has 16 divisors (see below), whose sum is σ = 21485303280. Its totient is φ = 3573703776.
The previous prime is 10731881417. The next prime is 10731881507. The reversal of 10731881478 is 87418813701.
10731881478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 7 ways as a sum of consecutive naturals, for example, 891033 + ... + 902996.
It is an arithmetic number, because the mean of its divisors is an integer number (1342831455).
Almost surely, 210731881478 is an apocalyptic number.
10731881478 is an abundant number, since it is smaller than the sum of its proper divisors (10753421802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10731881478 is a wasteful number, since it uses less digits than its factorization.
10731881478 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1795031.
The product of its (nonzero) digits is 301056, while the sum is 48.
The spelling of 10731881478 in words is "ten billion, seven hundred thirty-one million, eight hundred eighty-one thousand, four hundred seventy-eight".
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