Base | Representation |
---|---|
bin | 11001101011010001… |
… | …01001000110010110 |
3 | 1022120200102202221110 |
4 | 30311220221012112 |
5 | 211212343422223 |
6 | 10155502555450 |
7 | 665412266646 |
oct | 146550510626 |
9 | 38520382843 |
10 | 13784748438 |
11 | 593414958a |
12 | 2808598b86 |
13 | 13b8b448a6 |
14 | 94aa84526 |
15 | 55a2b4d93 |
hex | 335a29196 |
13784748438 has 32 divisors (see below), whose sum is σ = 28237777920. Its totient is φ = 4484795040.
The previous prime is 13784748413. The next prime is 13784748443. The reversal of 13784748438 is 83484748731.
It is a congruent number.
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, 113478 + ... + 201113.
It is an arithmetic number, because the mean of its divisors is an integer number (882430560).
Almost surely, 213784748438 is an apocalyptic number.
13784748438 is an abundant number, since it is smaller than the sum of its proper divisors (14453029482).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13784748438 is a wasteful number, since it uses less digits than its factorization.
13784748438 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 314772.
The product of its digits is 14450688, while the sum is 57.
The spelling of 13784748438 in words is "thirteen billion, seven hundred eighty-four million, seven hundred forty-eight thousand, four hundred thirty-eight".
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