Base | Representation |
---|---|
bin | 10110011000110000… |
… | …10101101011011110 |
3 | 1011000121121200212220 |
4 | 23030120111223132 |
5 | 144103312220120 |
6 | 5304342010210 |
7 | 603560453211 |
oct | 131430255336 |
9 | 34017550786 |
10 | 12018866910 |
11 | 5108378666 |
12 | 23b5116966 |
13 | 119703c28b |
14 | 82032d778 |
15 | 4a524ab40 |
hex | 2cc615ade |
12018866910 has 32 divisors (see below), whose sum is σ = 28884366720. Its totient is φ = 3200688288.
The previous prime is 12018866863. The next prime is 12018866911. The reversal of 12018866910 is 1966881021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12018866911) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248892 + ... + 293231.
It is an arithmetic number, because the mean of its divisors is an integer number (902636460).
Almost surely, 212018866910 is an apocalyptic number.
12018866910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12018866910 is an abundant number, since it is smaller than the sum of its proper divisors (16865499810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12018866910 is a wasteful number, since it uses less digits than its factorization.
12018866910 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 542872.
The product of its (nonzero) digits is 41472, while the sum is 42.
The spelling of 12018866910 in words is "twelve billion, eighteen million, eight hundred sixty-six thousand, nine hundred ten".
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