Base | Representation |
---|---|
bin | 10110111101101111… |
… | …11111100101000000 |
3 | 1011211020110221221221 |
4 | 23132313333211000 |
5 | 200222230424010 |
6 | 5355224324424 |
7 | 614346041650 |
oct | 133667774500 |
9 | 34736427857 |
10 | 12329154880 |
11 | 52575395a9 |
12 | 2481013714 |
13 | 12163cca23 |
14 | 84d620360 |
15 | 4c25dcdda |
hex | 2dedff940 |
12329154880 has 112 divisors (see below), whose sum is σ = 33591252096. Its totient is φ = 4222310400.
The previous prime is 12329154869. The next prime is 12329154883. The reversal of 12329154880 is 8845192321.
It is a tau number, because it is divible by the number of its divisors (112).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12329154883) 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, 2351622 + ... + 2356858.
Almost surely, 212329154880 is an apocalyptic number.
12329154880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12329154880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16795626048).
12329154880 is an abundant number, since it is smaller than the sum of its proper divisors (21262097216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12329154880 is a wasteful number, since it uses less digits than its factorization.
12329154880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6312 (or 6302 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 43.
The spelling of 12329154880 in words is "twelve billion, three hundred twenty-nine million, one hundred fifty-four thousand, eight hundred eighty".
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