Base | Representation |
---|---|
bin | 11000100111001000… |
… | …00100000111000010 |
3 | 1021002211211012021022 |
4 | 30103210010013002 |
5 | 204030024414020 |
6 | 10023043025442 |
7 | 645301456343 |
oct | 142344040702 |
9 | 37084735238 |
10 | 13213123010 |
11 | 567051097a |
12 | 268906b282 |
13 | 13275a21a9 |
14 | 8d4ba60ca |
15 | 524eee625 |
hex | 3139041c2 |
13213123010 has 32 divisors (see below), whose sum is σ = 25280728560. Its totient is φ = 4954980352.
The previous prime is 13213123009. The next prime is 13213123067. The reversal of 13213123010 is 1032131231.
It can be written as a sum of positive squares in 8 ways, for example, as 12059773489 + 1153349521 = 109817^2 + 33961^2 .
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a self number, because there is not a number n which added to its sum of digits gives 13213123010.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107525 + ... + 194904.
Almost surely, 213213123010 is an apocalyptic number.
13213123010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13213123010 is a deficient number, since it is larger than the sum of its proper divisors (12067605550).
13213123010 is a wasteful number, since it uses less digits than its factorization.
13213123010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 302710.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 13213123010 its reverse (1032131231), we get a palindrome (14245254241).
The spelling of 13213123010 in words is "thirteen billion, two hundred thirteen million, one hundred twenty-three thousand, ten".
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