| Base | Representation |
|---|---|
| bin | 101101010000110110001000… |
| … | …0110001001111100100100000 |
| 3 | 1221012200202112011001212011100 |
| 4 | 1122201230100301033210200 |
| 5 | 404141104100401404232 |
| 6 | 3530434423540314400 |
| 7 | 146601424561644000 |
| oct | 13241542061174440 |
| 9 | 1835622464055140 |
| 10 | 398139454716192 |
| 11 | 10594aaa3793182 |
| 12 | 387a21159a2a00 |
| 13 | 1412050a8c9a37 |
| 14 | 70460a3c04000 |
| 15 | 31067c3061c7c |
| hex | 16a1b10c4f920 |
398139454716192 has 864 divisors, whose sum is σ = 1360543787366400. Its totient is φ = 110389799116800.
The previous prime is 398139454716163. The next prime is 398139454716193. The reversal of 398139454716192 is 291617454931893.
398139454716192 is a `hidden beast` number, since 3 + 9 + 8 + 1 + 3 + 9 + 4 + 5 + 471 + 61 + 92 = 666.
It is a super-3 number, since 3×3981394547161923 (a number of 45 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a self number, because there is not a number n which added to its sum of digits gives 398139454716192.
It is not an unprimeable number, because it can be changed into a prime (398139454716193) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 31716671388 + ... + 31716683940.
It is an arithmetic number, because the mean of its divisors is an integer number (1574703457600).
Almost surely, 2398139454716192 is an apocalyptic number.
398139454716192 is a gapful number since it is divisible by the number (32) 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 398139454716192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680271893683200).
398139454716192 is an abundant number, since it is smaller than the sum of its proper divisors (962404332650208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
398139454716192 is a wasteful number, since it uses less digits than its factorization.
398139454716192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12863 (or 12797 counting only the distinct ones).
The product of its digits is 352719360, while the sum is 72.
The spelling of 398139454716192 in words is "three hundred ninety-eight trillion, one hundred thirty-nine billion, four hundred fifty-four million, seven hundred sixteen thousand, one hundred ninety-two".
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