Base | Representation |
---|---|
bin | 110011101100… |
… | …011001000000 |
3 | 221111110201010 |
4 | 303230121000 |
5 | 11432114133 |
6 | 1202240520 |
7 | 223116531 |
oct | 63543100 |
9 | 27443633 |
10 | 13551168 |
11 | 7716214 |
12 | 4656140 |
13 | 2a66057 |
14 | 1b2a688 |
15 | 12ca263 |
hex | cec640 |
13551168 has 56 divisors (see below), whose sum is σ = 36157408. Its totient is φ = 4478976.
The previous prime is 13551157. The next prime is 13551169. The reversal of 13551168 is 86115531.
It is not an unprimeable number, because it can be changed into a prime (13551169) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31080 + ... + 31512.
It is an arithmetic number, because the mean of its divisors is an integer number (645668).
Almost surely, 213551168 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13551168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18078704).
13551168 is an abundant number, since it is smaller than the sum of its proper divisors (22606240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13551168 is a wasteful number, since it uses less digits than its factorization.
13551168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 611 (or 601 counting only the distinct ones).
The product of its digits is 3600, while the sum is 30.
The square root of 13551168 is about 3681.1911115833. The cubic root of 13551168 is about 238.4106086596.
Adding to 13551168 its reverse (86115531), we get a palindrome (99666699).
The spelling of 13551168 in words is "thirteen million, five hundred fifty-one thousand, one hundred sixty-eight".
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