| Base | Representation |
|---|---|
| bin | 10111101000110110… |
| … | …10011100101001000 |
| 3 | 1012202102212001102101 |
| 4 | 23310123103211020 |
| 5 | 201442311432014 |
| 6 | 5455142243144 |
| 7 | 626326311460 |
| oct | 136433234510 |
| 9 | 35672761371 |
| 10 | 12690733384 |
| 11 | 542265190a |
| 12 | 25621264b4 |
| 13 | 12732ab0c4 |
| 14 | 885662ba0 |
| 15 | 4e4212474 |
| hex | 2f46d3948 |
12690733384 has 128 divisors (see below), whose sum is σ = 30119040000. Its totient is φ = 4889928960.
The previous prime is 12690733381. The next prime is 12690733387. The reversal of 12690733384 is 48333709621.
12690733384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (12690733381) and next prime (12690733387).
It is a super-2 number, since 2×126907333842 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12690733381) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1817019 + ... + 1823989.
It is an arithmetic number, because the mean of its divisors is an integer number (235305000).
Almost surely, 212690733384 is an apocalyptic number.
12690733384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12690733384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15059520000).
12690733384 is an abundant number, since it is smaller than the sum of its proper divisors (17428306616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12690733384 is a wasteful number, since it uses less digits than its factorization.
12690733384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7091 (or 7087 counting only the distinct ones).
The product of its (nonzero) digits is 653184, while the sum is 46.
The spelling of 12690733384 in words is "twelve billion, six hundred ninety million, seven hundred thirty-three thousand, three hundred eighty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.060 sec. • engine limits •