Base | Representation |
---|---|
bin | 1100011011101100011100… |
… | …0010100001100010000000 |
3 | 1210101211110121002000102100 |
4 | 3012323013002201202000 |
5 | 3242432001331412423 |
6 | 45023513231550400 |
7 | 2610422330364354 |
oct | 306730702414200 |
9 | 53354417060370 |
10 | 13669925263488 |
11 | 43a042348974a |
12 | 16493a638b400 |
13 | 7820b7423880 |
14 | 3538b0dc9464 |
15 | 18a8bd2a1343 |
hex | c6ec70a1880 |
13669925263488 has 384 divisors, whose sum is σ = 42813141462000. Its totient is φ = 4161451622400.
The previous prime is 13669925263459. The next prime is 13669925263499. The reversal of 13669925263488 is 88436252996631.
13669925263488 is a `hidden beast` number, since 1 + 3 + 6 + 6 + 9 + 92 + 52 + 6 + 3 + 488 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 8616385295424 + 5053539968064 = 2935368^2 + 2248008^2 .
It is a tau number, because it is divible by the number of its divisors (384).
It is a super-2 number, since 2×136699252634882 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2948008306 + ... + 2948012942.
Almost surely, 213669925263488 is an apocalyptic number.
13669925263488 is a gapful number since it is divisible by the number (18) 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 13669925263488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21406570731000).
13669925263488 is an abundant number, since it is smaller than the sum of its proper divisors (29143216198512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13669925263488 is a wasteful number, since it uses less digits than its factorization.
13669925263488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6720 (or 6705 counting only the distinct ones).
The product of its digits is 806215680, while the sum is 72.
The spelling of 13669925263488 in words is "thirteen trillion, six hundred sixty-nine billion, nine hundred twenty-five million, two hundred sixty-three thousand, four hundred eighty-eight".
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