Base | Representation |
---|---|
bin | 10100001101000001100… |
… | …110011111011011001000 |
3 | 11220201122020120221021210 |
4 | 110031001212133123020 |
5 | 140221343002431312 |
6 | 2541451035333120 |
7 | 202210141113255 |
oct | 24150146373310 |
9 | 4821566527253 |
10 | 1388375045832 |
11 | 495896578155 |
12 | 1a50abbb11a0 |
13 | a0c00387578 |
14 | 4b2aa73842c |
15 | 261ac7c3e3c |
hex | 1434199f6c8 |
1388375045832 has 16 divisors (see below), whose sum is σ = 3470937614640. Its totient is φ = 462791681936.
The previous prime is 1388375045749. The next prime is 1388375045839. The reversal of 1388375045832 is 2385405738831.
It is not an unprimeable number, because it can be changed into a prime (1388375045839) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28924480098 + ... + 28924480145.
It is an arithmetic number, because the mean of its divisors is an integer number (216933600915).
Almost surely, 21388375045832 is an apocalyptic number.
1388375045832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1388375045832 is an abundant number, since it is smaller than the sum of its proper divisors (2082562568808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1388375045832 is a wasteful number, since it uses less digits than its factorization.
1388375045832 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57848960252 (or 57848960248 counting only the distinct ones).
The product of its (nonzero) digits is 19353600, while the sum is 57.
The spelling of 1388375045832 in words is "one trillion, three hundred eighty-eight billion, three hundred seventy-five million, forty-five thousand, eight hundred thirty-two".
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