Base | Representation |
---|---|
bin | 11001001111010011… |
… | …11101001111100000 |
3 | 1021222100010002112002 |
4 | 30213221331033200 |
5 | 210222323241224 |
6 | 10120324023132 |
7 | 656533621304 |
oct | 144751751740 |
9 | 37870102462 |
10 | 13550212064 |
11 | 5823817974 |
12 | 2761b31aa8 |
13 | 137c38787c |
14 | 927871d04 |
15 | 5448d79ae |
hex | 327a7d3e0 |
13550212064 has 96 divisors (see below), whose sum is σ = 28664415360. Its totient is φ = 6286118400.
The previous prime is 13550212063. The next prime is 13550212069. The reversal of 13550212064 is 46021205531.
It is a super-2 number, since 2×135502120642 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13550212063) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10495259 + ... + 10496549.
It is an arithmetic number, because the mean of its divisors is an integer number (298587660).
Almost surely, 213550212064 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 13550212064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14332207680).
13550212064 is an abundant number, since it is smaller than the sum of its proper divisors (15114203296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13550212064 is a wasteful number, since it uses less digits than its factorization.
13550212064 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1664 (or 1656 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 29.
Adding to 13550212064 its reverse (46021205531), we get a palindrome (59571417595).
The spelling of 13550212064 in words is "thirteen billion, five hundred fifty million, two hundred twelve thousand, sixty-four".
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