Base | Representation |
---|---|
bin | 11000101000010101… |
… | …01100100111100000 |
3 | 1021010112212201102211 |
4 | 30110022230213200 |
5 | 204040123003100 |
6 | 10024044051504 |
7 | 645453526303 |
oct | 142412544740 |
9 | 37115781384 |
10 | 13223250400 |
11 | 56761a8818 |
12 | 2690533b94 |
13 | 1329709a29 |
14 | 8d6280b3a |
15 | 525d501ba |
hex | 3142ac9e0 |
13223250400 has 36 divisors (see below), whose sum is σ = 32281261992. Its totient is φ = 5289299840.
The previous prime is 13223250377. The next prime is 13223250409. The reversal of 13223250400 is 405232231.
It is a super-2 number, since 2×132232504002 (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 (13223250409) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8263732 + ... + 8265331.
It is an arithmetic number, because the mean of its divisors is an integer number (896701722).
Almost surely, 213223250400 is an apocalyptic number.
13223250400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13223250400 is an abundant number, since it is smaller than the sum of its proper divisors (19058011592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13223250400 is a wasteful number, since it uses less digits than its factorization.
13223250400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16529083 (or 16529070 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 22.
Adding to 13223250400 its reverse (405232231), we get a palindrome (13628482631).
The spelling of 13223250400 in words is "thirteen billion, two hundred twenty-three million, two hundred fifty thousand, four hundred".
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