Base | Representation |
---|---|
bin | 10111111010100001… |
… | …01100111010100100 |
3 | 1020010202202011100201 |
4 | 23331100230322210 |
5 | 202243232323031 |
6 | 5521555120244 |
7 | 633106155532 |
oct | 137520547244 |
9 | 36122664321 |
10 | 12838948516 |
11 | 5499285059 |
12 | 25a38a3084 |
13 | 1297c03774 |
14 | 89b205152 |
15 | 50223cd61 |
hex | 2fd42cea4 |
12838948516 has 12 divisors (see below), whose sum is σ = 22478940288. Its totient is φ = 6416394152.
The previous prime is 12838948513. The next prime is 12838948517. The reversal of 12838948516 is 61584983821.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (12838948513) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760636 + ... + 777331.
It is an arithmetic number, because the mean of its divisors is an integer number (1873245024).
Almost surely, 212838948516 is an apocalyptic number.
It is an amenable number.
12838948516 is a deficient number, since it is larger than the sum of its proper divisors (9639991772).
12838948516 is a wasteful number, since it uses less digits than its factorization.
12838948516 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1540058 (or 1540056 counting only the distinct ones).
The product of its digits is 3317760, while the sum is 55.
The spelling of 12838948516 in words is "twelve billion, eight hundred thirty-eight million, nine hundred forty-eight thousand, five hundred sixteen".
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