Base | Representation |
---|---|
bin | 111110100101101100… |
… | …0011011011101001000 |
3 | 110211221011122110101222 |
4 | 1331023120123131020 |
5 | 4200232110300123 |
6 | 141425124301212 |
7 | 12465525640400 |
oct | 1751330333510 |
9 | 424834573358 |
10 | 134408681288 |
11 | 52003218692 |
12 | 22071241808 |
13 | c8a038709b |
14 | 6710c03800 |
15 | 3769e146c8 |
hex | 1f4b61b748 |
134408681288 has 36 divisors (see below), whose sum is σ = 293177624985. Its totient is φ = 57600609696.
The previous prime is 134408681263. The next prime is 134408681339. The reversal of 134408681288 is 882186804431.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 127578981124 + 6829700164 = 357182^2 + 82642^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=259238.
It is a super-2 number, since 2×1344086812882 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7249406 + ... + 7267922.
Almost surely, 2134408681288 is an apocalyptic number.
It is an amenable number.
134408681288 is an abundant number, since it is smaller than the sum of its proper divisors (158768943697).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
134408681288 is an frugal number, since it uses more digits than its factorization.
134408681288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37054 (or 18526 counting only the distinct ones).
The product of its (nonzero) digits is 2359296, while the sum is 53.
The spelling of 134408681288 in words is "one hundred thirty-four billion, four hundred eight million, six hundred eighty-one thousand, two hundred eighty-eight".
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