Base | Representation |
---|---|
bin | 111011000100010110… |
… | …0011001000011101010 |
3 | 110010102012202001121220 |
4 | 1312020230121003222 |
5 | 4034240412434210 |
6 | 134134535442510 |
7 | 12110253011232 |
oct | 1661054310352 |
9 | 403365661556 |
10 | 126847389930 |
11 | 49883054568 |
12 | 20700b26436 |
13 | bc669b93a1 |
14 | 61d48d8cc2 |
15 | 34761c6c70 |
hex | 1d88b190ea |
126847389930 has 128 divisors (see below), whose sum is σ = 320302080000. Its totient is φ = 32088317184.
The previous prime is 126847389913. The next prime is 126847389971. The reversal of 126847389930 is 39983748621.
It is an unprimeable number.
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 63 ways as a sum of consecutive naturals, for example, 47919867 + ... + 47922513.
It is an arithmetic number, because the mean of its divisors is an integer number (2502360000).
Almost surely, 2126847389930 is an apocalyptic number.
126847389930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 126847389930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160151040000).
126847389930 is an abundant number, since it is smaller than the sum of its proper divisors (193454690070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126847389930 is a wasteful number, since it uses less digits than its factorization.
126847389930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3228.
The product of its (nonzero) digits is 15676416, while the sum is 60.
The spelling of 126847389930 in words is "one hundred twenty-six billion, eight hundred forty-seven million, three hundred eighty-nine thousand, nine hundred thirty".
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