Base | Representation |
---|---|
bin | 1011010011000110101… |
… | …00011010111000001101 |
3 | 1101010001020220201022021 |
4 | 11221203110122320031 |
5 | 22330030104311442 |
6 | 454202011250141 |
7 | 40022201030410 |
oct | 5514324327015 |
9 | 1333036821267 |
10 | 388213353997 |
11 | 13a705354847 |
12 | 632a3a49951 |
13 | 2a7ba7581b1 |
14 | 14b0aa41b77 |
15 | a171c6de67 |
hex | 5a6351ae0d |
388213353997 has 8 divisors (see below), whose sum is σ = 443737772096. Its totient is φ = 332705277792.
The previous prime is 388213353977. The next prime is 388213354003. The reversal of 388213353997 is 799353312883.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 388213353997 - 211 = 388213351949 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (388213353937) 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 7 ways as a sum of consecutive naturals, for example, 4034523 + ... + 4129624.
It is an arithmetic number, because the mean of its divisors is an integer number (55467221512).
Almost surely, 2388213353997 is an apocalyptic number.
It is an amenable number.
388213353997 is a deficient number, since it is larger than the sum of its proper divisors (55524418099).
388213353997 is an equidigital number, since it uses as much as digits as its factorization.
388213353997 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8170947.
The product of its digits is 29393280, while the sum is 61.
The spelling of 388213353997 in words is "three hundred eighty-eight billion, two hundred thirteen million, three hundred fifty-three thousand, nine hundred ninety-seven".
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