Base | Representation |
---|---|
bin | 10111111111011101… |
… | …00110111001000010 |
3 | 1020020122122012100201 |
4 | 23333232212321002 |
5 | 202334331430334 |
6 | 5530034235414 |
7 | 634121051140 |
oct | 137756467102 |
9 | 36218565321 |
10 | 12880342594 |
11 | 550a688039 |
12 | 25b5725b6a |
13 | 12a36679c2 |
14 | 8a28dc590 |
15 | 505bb7c14 |
hex | 2ffba6e42 |
12880342594 has 16 divisors (see below), whose sum is σ = 22118217408. Its totient is φ = 5510739312.
The previous prime is 12880342567. The next prime is 12880342597. The reversal of 12880342594 is 49524308821.
It is not an unprimeable number, because it can be changed into a prime (12880342597) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 775449 + ... + 791884.
It is an arithmetic number, because the mean of its divisors is an integer number (1382388588).
Almost surely, 212880342594 is an apocalyptic number.
12880342594 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
12880342594 is a deficient number, since it is larger than the sum of its proper divisors (9237874814).
12880342594 is a wasteful number, since it uses less digits than its factorization.
12880342594 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1567929.
The product of its (nonzero) digits is 552960, while the sum is 46.
The spelling of 12880342594 in words is "twelve billion, eight hundred eighty million, three hundred forty-two thousand, five hundred ninety-four".
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