Base | Representation |
---|---|
bin | 11000111100001110… |
… | …01100000100000000 |
3 | 1021120011211200212202 |
4 | 30132013030010000 |
5 | 204410331242114 |
6 | 10052404212332 |
7 | 652550665352 |
oct | 143607140400 |
9 | 37504750782 |
10 | 13390102784 |
11 | 5751400453 |
12 | 271839a0a8 |
13 | 1355159456 |
14 | 9104b50d2 |
15 | 53580ccde |
hex | 31e1cc100 |
13390102784 has 36 divisors (see below), whose sum is σ = 26760875820. Its totient is φ = 6686791680.
The previous prime is 13390102783. The next prime is 13390102813. The reversal of 13390102784 is 48720109331.
It can be written as a sum of positive squares in 2 ways, for example, as 2265760000 + 11124342784 = 47600^2 + 105472^2 .
It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (13390102783) 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, 178322 + ... + 242030.
Almost surely, 213390102784 is an apocalyptic number.
It is an amenable number.
13390102784 is a deficient number, since it is larger than the sum of its proper divisors (13370773036).
13390102784 is an frugal number, since it uses more digits than its factorization.
13390102784 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 64546 (or 64532 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 38.
The spelling of 13390102784 in words is "thirteen billion, three hundred ninety million, one hundred two thousand, seven hundred eighty-four".
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