Base | Representation |
---|---|
bin | 11101010100111111101… |
… | …011111011001000001000 |
3 | 21010200010020222111120212 |
4 | 131110333223323020020 |
5 | 231010023441001213 |
6 | 4141510554540252 |
7 | 265415456353256 |
oct | 35247753731010 |
9 | 7120106874525 |
10 | 2015408140808 |
11 | 707803399057 |
12 | 286724137688 |
13 | 11808a81225a |
14 | 6d790d975d6 |
15 | 3765aa629a8 |
hex | 1d53fafb208 |
2015408140808 has 32 divisors (see below), whose sum is σ = 3859897678560. Its totient is φ = 986312845440.
The previous prime is 2015408140793. The next prime is 2015408140871. The reversal of 2015408140808 is 8080418045102.
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, 13095410 + ... + 13248417.
It is an arithmetic number, because the mean of its divisors is an integer number (120621802455).
Almost surely, 22015408140808 is an apocalyptic number.
It is an amenable number.
2015408140808 is a deficient number, since it is larger than the sum of its proper divisors (1844489537752).
2015408140808 is a wasteful number, since it uses less digits than its factorization.
2015408140808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26344037 (or 26344033 counting only the distinct ones).
The product of its (nonzero) digits is 81920, while the sum is 41.
The spelling of 2015408140808 in words is "two trillion, fifteen billion, four hundred eight million, one hundred forty thousand, eight hundred eight".
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