Base | Representation |
---|---|
bin | 10111111100010110… |
… | …10010111011010000 |
3 | 1020011211122112101020 |
4 | 23332023102323100 |
5 | 202311200333220 |
6 | 5523304235440 |
7 | 633353551152 |
oct | 137613227320 |
9 | 36154575336 |
10 | 12854308560 |
11 | 54a6a16305 |
12 | 25a8a6bb80 |
13 | 129b150c52 |
14 | 89d282ad2 |
15 | 503774040 |
hex | 2fe2d2ed0 |
12854308560 has 80 divisors (see below), whose sum is σ = 40135139520. Its totient is φ = 3403146240.
The previous prime is 12854308553. The next prime is 12854308591. The reversal of 12854308560 is 6580345821.
It is a tau number, because it is divible by the number of its divisors (80).
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 15 ways as a sum of consecutive naturals, for example, 159301 + ... + 226020.
It is an arithmetic number, because the mean of its divisors is an integer number (501689244).
Almost surely, 212854308560 is an apocalyptic number.
12854308560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12854308560 is an abundant number, since it is smaller than the sum of its proper divisors (27280830960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12854308560 is a wasteful number, since it uses less digits than its factorization.
12854308560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 385476 (or 385470 counting only the distinct ones).
The product of its (nonzero) digits is 230400, while the sum is 42.
The spelling of 12854308560 in words is "twelve billion, eight hundred fifty-four million, three hundred eight thousand, five hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •