Base | Representation |
---|---|
bin | 11000000001011010… |
… | …10110000011001010 |
3 | 1020021210120202011002 |
4 | 30000231112003022 |
5 | 202403034214212 |
6 | 5531422535002 |
7 | 634410616001 |
oct | 140055260312 |
9 | 36253522132 |
10 | 12896788682 |
11 | 55189a0248 |
12 | 25bb137462 |
13 | 12a6ba560b |
14 | 8a4b7dc38 |
15 | 507365ac2 |
hex | 300b560ca |
12896788682 has 8 divisors (see below), whose sum is σ = 19562544900. Its totient is φ = 6375940384.
The previous prime is 12896788657. The next prime is 12896788687. The reversal of 12896788682 is 28688769821.
It can be written as a sum of positive squares in 2 ways, for example, as 10407876361 + 2488912321 = 102019^2 + 49889^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×128967886823 (a number of 31 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (12896788687) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36226757 + ... + 36227112.
Almost surely, 212896788682 is an apocalyptic number.
12896788682 is a deficient number, since it is larger than the sum of its proper divisors (6665756218).
12896788682 is an equidigital number, since it uses as much as digits as its factorization.
12896788682 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72453960.
The product of its digits is 37158912, while the sum is 65.
The spelling of 12896788682 in words is "twelve billion, eight hundred ninety-six million, seven hundred eighty-eight thousand, six hundred eighty-two".
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