Base | Representation |
---|---|
bin | 10110001001011111… |
… | …10100100010101100 |
3 | 1010200200122110211210 |
4 | 23010233310202230 |
5 | 143323021224113 |
6 | 5243525114420 |
7 | 600444113463 |
oct | 130457644254 |
9 | 33620573753 |
10 | 11890804908 |
11 | 505205a7a4 |
12 | 237a258a10 |
13 | 1176651948 |
14 | 80b3159da |
15 | 498da16c3 |
hex | 2c4bf48ac |
11890804908 has 24 divisors (see below), whose sum is σ = 28200052720. Its totient is φ = 3898624320.
The previous prime is 11890804879. The next prime is 11890804909. The reversal of 11890804908 is 80940809811.
11890804908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (11890804909) by changing a digit.
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, 8121403 + ... + 8122866.
Almost surely, 211890804908 is an apocalyptic number.
It is an amenable number.
11890804908 is an abundant number, since it is smaller than the sum of its proper divisors (16309247812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11890804908 is a wasteful number, since it uses less digits than its factorization.
11890804908 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16244337 (or 16244335 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 48.
The spelling of 11890804908 in words is "eleven billion, eight hundred ninety million, eight hundred four thousand, nine hundred eight".
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