Base | Representation |
---|---|
bin | 11001000001011111… |
… | …01010101011011100 |
3 | 1021200020221112200120 |
4 | 30200233222223130 |
5 | 210003133042010 |
6 | 10101022554540 |
7 | 653625253131 |
oct | 144057525334 |
9 | 37606845616 |
10 | 13434268380 |
11 | 5774326745 |
12 | 272b138a50 |
13 | 1361351040 |
14 | 9162d0588 |
15 | 539633e70 |
hex | 320beaadc |
13434268380 has 96 divisors (see below), whose sum is σ = 40598445888. Its totient is φ = 3299635200.
The previous prime is 13434268369. The next prime is 13434268387. The reversal of 13434268380 is 8386243431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13434268387) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340900 + ... + 378260.
It is an arithmetic number, because the mean of its divisors is an integer number (422900478).
Almost surely, 213434268380 is an apocalyptic number.
13434268380 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 13434268380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20299222944).
13434268380 is an abundant number, since it is smaller than the sum of its proper divisors (27164177508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13434268380 is a wasteful number, since it uses less digits than its factorization.
13434268380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37847 (or 37845 counting only the distinct ones).
The product of its (nonzero) digits is 331776, while the sum is 42.
The spelling of 13434268380 in words is "thirteen billion, four hundred thirty-four million, two hundred sixty-eight thousand, three hundred eighty".
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