Base | Representation |
---|---|
bin | 11000101000111100… |
… | …01010101110110000 |
3 | 1021010220111000220211 |
4 | 30110132022232300 |
5 | 204042424320410 |
6 | 10024345313504 |
7 | 645545105065 |
oct | 142436125660 |
9 | 37126430824 |
10 | 13228354480 |
11 | 5679074570 |
12 | 2692195894 |
13 | 132a7a5cb3 |
14 | 8d6c0cc6c |
15 | 52650c68a |
hex | 31478abb0 |
13228354480 has 80 divisors (see below), whose sum is σ = 33625419264. Its totient is φ = 4799773440.
The previous prime is 13228354351. The next prime is 13228354499. The reversal of 13228354480 is 8445382231.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (40).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391207 + ... + 423673.
Almost surely, 213228354480 is an apocalyptic number.
13228354480 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 13228354480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16812709632).
13228354480 is an abundant number, since it is smaller than the sum of its proper divisors (20397064784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13228354480 is a wasteful number, since it uses less digits than its factorization.
13228354480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32954 (or 32948 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 40.
The spelling of 13228354480 in words is "thirteen billion, two hundred twenty-eight million, three hundred fifty-four thousand, four hundred eighty".
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