Base | Representation |
---|---|
bin | 101100010100111111000101… |
… | …0110101110100000000000000 |
3 | 1220010120020220202102120120000 |
4 | 1120221332022311310000000 |
5 | 402101310440410121300 |
6 | 3501135131511320000 |
7 | 145062144255361245 |
oct | 13051761265640000 |
9 | 1803506822376500 |
10 | 389912345395200 |
11 | 103268995a88731 |
12 | 3789375b680000 |
13 | 1397476547a894 |
14 | 6c3dc02d055cc |
15 | 30127acbeac00 |
hex | 1629f8ad74000 |
389912345395200 has 900 divisors, whose sum is σ = 1462754960399040. Its totient is φ = 102659775528960.
The previous prime is 389912345395091. The next prime is 389912345395217. The reversal of 389912345395200 is 2593543219983.
It is a happy number.
389912345395200 is a `hidden beast` number, since 3 + 8 + 9 + 9 + 1 + 2 + 34 + 5 + 395 + 200 = 666.
It is a tau number, because it is divible by the number of its divisors (900).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2620956019 + ... + 2621104781.
Almost surely, 2389912345395200 is an apocalyptic number.
389912345395200 is a gapful number since it is divisible by the number (30) 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 389912345395200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731377480199520).
389912345395200 is an abundant number, since it is smaller than the sum of its proper divisors (1072842615003840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389912345395200 is an equidigital number, since it uses as much as digits as its factorization.
389912345395200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148892 (or 148852 counting only the distinct ones).
The product of its (nonzero) digits is 62985600, while the sum is 63.
The spelling of 389912345395200 in words is "three hundred eighty-nine trillion, nine hundred twelve billion, three hundred forty-five million, three hundred ninety-five thousand, two hundred".
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