Base | Representation |
---|---|
bin | 11000110101001011… |
… | …10011100100010100 |
3 | 1021102001122222121102 |
4 | 30122211303210110 |
5 | 204300220120202 |
6 | 10042454005232 |
7 | 651232541450 |
oct | 143245634424 |
9 | 37361588542 |
10 | 13331020052 |
11 | 5721016749 |
12 | 2700646818 |
13 | 1345b40b5c |
14 | 9066d5660 |
15 | 53053bd02 |
hex | 31a973914 |
13331020052 has 12 divisors (see below), whose sum is σ = 26662040160. Its totient is φ = 5713294296.
The previous prime is 13331020019. The next prime is 13331020091. The reversal of 13331020052 is 25002013331.
13331020052 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238053902 + ... + 238053957.
It is an arithmetic number, because the mean of its divisors is an integer number (2221836680).
Almost surely, 213331020052 is an apocalyptic number.
It is an amenable number.
13331020052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13331020052 is a wasteful number, since it uses less digits than its factorization.
13331020052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 476107870 (or 476107868 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 20.
Adding to 13331020052 its reverse (25002013331), we get a palindrome (38333033383).
The spelling of 13331020052 in words is "thirteen billion, three hundred thirty-one million, twenty thousand, fifty-two".
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