Base | Representation |
---|---|
bin | 11001101101110001… |
… | …10010010001011000 |
3 | 1022122010222010222220 |
4 | 30312320302101120 |
5 | 211233233220103 |
6 | 10201533144040 |
7 | 666056000643 |
oct | 146670622130 |
9 | 38563863886 |
10 | 13805757528 |
11 | 5944a98a72 |
12 | 281362b020 |
13 | 13c02bc3c4 |
14 | 94d792a5a |
15 | 55c064c53 |
hex | 336e32458 |
13805757528 has 64 divisors (see below), whose sum is σ = 36557982720. Its totient is φ = 4329638400.
The previous prime is 13805757463. The next prime is 13805757533. The reversal of 13805757528 is 82575750831.
It is a Harshad number since it is a multiple of its sum of digits (51).
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, 1673173 + ... + 1681403.
It is an arithmetic number, because the mean of its divisors is an integer number (571218480).
Almost surely, 213805757528 is an apocalyptic number.
It is an amenable number.
13805757528 is an abundant number, since it is smaller than the sum of its proper divisors (22752225192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13805757528 is a wasteful number, since it uses less digits than its factorization.
13805757528 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12368 (or 12364 counting only the distinct ones).
The product of its (nonzero) digits is 2352000, while the sum is 51.
The spelling of 13805757528 in words is "thirteen billion, eight hundred five million, seven hundred fifty-seven thousand, five hundred twenty-eight".
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