Base | Representation |
---|---|
bin | 11000100110110000… |
… | …01010010000001100 |
3 | 1021002121221122122210 |
4 | 30103120022100030 |
5 | 204023230034234 |
6 | 10022452110420 |
7 | 645233111442 |
oct | 142330122014 |
9 | 37077848583 |
10 | 13210002444 |
11 | 566977a3a1 |
12 | 2688005410 |
13 | 1326a4b9c2 |
14 | 8d45d2b92 |
15 | 524ad4be9 |
hex | 31360a40c |
13210002444 has 48 divisors (see below), whose sum is σ = 31004725248. Its totient is φ = 4377499968.
The previous prime is 13210002433. The next prime is 13210002457. The reversal of 13210002444 is 44420001231.
It is a self number, because there is not a number n which added to its sum of digits gives 13210002444.
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, 1452399 + ... + 1461465.
It is an arithmetic number, because the mean of its divisors is an integer number (645931776).
Almost surely, 213210002444 is an apocalyptic number.
It is an amenable number.
13210002444 is an abundant number, since it is smaller than the sum of its proper divisors (17794722804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13210002444 is a wasteful number, since it uses less digits than its factorization.
13210002444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9774 (or 9772 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 13210002444 its reverse (44420001231), we get a palindrome (57630003675).
The spelling of 13210002444 in words is "thirteen billion, two hundred ten million, two thousand, four hundred forty-four".
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