Base | Representation |
---|---|
bin | 11000110101010111… |
… | …11010011110101001 |
3 | 1021102011200100000010 |
4 | 30122223322132221 |
5 | 204301122334400 |
6 | 10042552202133 |
7 | 651252260550 |
oct | 143253723651 |
9 | 37364610003 |
10 | 13332621225 |
11 | 5721a0a730 |
12 | 2701099349 |
13 | 13462818b1 |
14 | 9069d0d97 |
15 | 530756450 |
hex | 31aafa7a9 |
13332621225 has 48 divisors (see below), whose sum is σ = 27482526720. Its totient is φ = 5540827200.
The previous prime is 13332621199. The next prime is 13332621257. The reversal of 13332621225 is 52212623331.
It is not a de Polignac number, because 13332621225 - 25 = 13332621193 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13332621192 and 13332621201.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1148565 + ... + 1160114.
It is an arithmetic number, because the mean of its divisors is an integer number (572552640).
Almost surely, 213332621225 is an apocalyptic number.
13332621225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13332621225 is an abundant number, since it is smaller than the sum of its proper divisors (14149905495).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13332621225 is a wasteful number, since it uses less digits than its factorization.
13332621225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2308710 (or 2308705 counting only the distinct ones).
The product of its digits is 12960, while the sum is 30.
The spelling of 13332621225 in words is "thirteen billion, three hundred thirty-two million, six hundred twenty-one thousand, two hundred twenty-five".
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