Base | Representation |
---|---|
bin | 110000101110101000… |
… | …1001011110010010000 |
3 | 101000002211011000212111 |
4 | 1201131101023302100 |
5 | 3203302331012122 |
6 | 120023420035104 |
7 | 10363114221523 |
oct | 1413521136220 |
9 | 330084130774 |
10 | 104644000912 |
11 | 404198a0790 |
12 | 18345092a94 |
13 | 9b38994689 |
14 | 50c9b32bba |
15 | 2ac6cbed77 |
hex | 185d44bc90 |
104644000912 has 80 divisors (see below), whose sum is σ = 222428620800. Its totient is φ = 47297416320.
The previous prime is 104644000907. The next prime is 104644000913. The reversal of 104644000912 is 219000446401.
It is not an unprimeable number, because it can be changed into a prime (104644000913) 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, 38655463 + ... + 38658169.
It is an arithmetic number, because the mean of its divisors is an integer number (2780357760).
Almost surely, 2104644000912 is an apocalyptic number.
104644000912 is the 161744-th decagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 104644000912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111214310400).
104644000912 is an abundant number, since it is smaller than the sum of its proper divisors (117784619888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
104644000912 is a wasteful number, since it uses less digits than its factorization.
104644000912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3884 (or 3878 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 31.
The spelling of 104644000912 in words is "one hundred four billion, six hundred forty-four million, nine hundred twelve", and thus it is an aban number.
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