Base | Representation |
---|---|
bin | 10111111111100001… |
… | …10111100111010110 |
3 | 1020020200202022111211 |
4 | 23333300313213112 |
5 | 202340004413012 |
6 | 5530055052034 |
7 | 634126100320 |
oct | 137760674726 |
9 | 36220668454 |
10 | 12880935382 |
11 | 550aa52447 |
12 | 25b597101a |
13 | 12a3814773 |
14 | 8a2a14610 |
15 | 505c836a7 |
hex | 2ffc379d6 |
12880935382 has 16 divisors (see below), whose sum is σ = 22100815872. Its totient is φ = 5515597800.
The previous prime is 12880935359. The next prime is 12880935421. The reversal of 12880935382 is 28353908821.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383568 + ... + 415795.
It is an arithmetic number, because the mean of its divisors is an integer number (1381300992).
Almost surely, 212880935382 is an apocalyptic number.
12880935382 is a deficient number, since it is larger than the sum of its proper divisors (9219880490).
12880935382 is a wasteful number, since it uses less digits than its factorization.
12880935382 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 800523.
The product of its (nonzero) digits is 829440, while the sum is 49.
The spelling of 12880935382 in words is "twelve billion, eight hundred eighty million, nine hundred thirty-five thousand, three hundred eighty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •