Base | Representation |
---|---|
bin | 10111101100001111… |
… | …11000111111010000 |
3 | 1012211102102012202100 |
4 | 23312013320333100 |
5 | 202022103320120 |
6 | 5502040320400 |
7 | 630123254244 |
oct | 136607707720 |
9 | 35742365670 |
10 | 12719198160 |
11 | 5437723919 |
12 | 256b773100 |
13 | 1279166376 |
14 | 889352424 |
15 | 4e6986490 |
hex | 2f61f8fd0 |
12719198160 has 240 divisors, whose sum is σ = 44413050240. Its totient is φ = 3258178560.
The previous prime is 12719198147. The next prime is 12719198161. The reversal of 12719198160 is 6189191721.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (240).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12719198161) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4404237 + ... + 4407123.
It is an arithmetic number, because the mean of its divisors is an integer number (185054376).
Almost surely, 212719198160 is an apocalyptic number.
12719198160 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 12719198160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22206525120).
12719198160 is an abundant number, since it is smaller than the sum of its proper divisors (31693852080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12719198160 is a wasteful number, since it uses less digits than its factorization.
12719198160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3146 (or 3137 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 45.
The spelling of 12719198160 in words is "twelve billion, seven hundred nineteen million, one hundred ninety-eight thousand, one hundred sixty".
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