Base | Representation |
---|---|
bin | 1011010100100110001… |
… | …11011011010011100000 |
3 | 1101012010010211110122021 |
4 | 11222103013123103200 |
5 | 22333200401113430 |
6 | 454413334551224 |
7 | 40051106050114 |
oct | 5522307332340 |
9 | 1335103743567 |
10 | 389015254240 |
11 | 13aa86a73318 |
12 | 63488508514 |
13 | 2a8b7924c92 |
14 | 14b85343744 |
15 | a1bc36e07a |
hex | 5a931db4e0 |
389015254240 has 48 divisors (see below), whose sum is σ = 920681164368. Its totient is φ = 155329678336.
The previous prime is 389015254237. The next prime is 389015254339. The reversal of 389015254240 is 42452510983.
It is a super-3 number, since 3×3890152542403 (a number of 36 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
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, 2069197 + ... + 2249356.
It is an arithmetic number, because the mean of its divisors is an integer number (19180857591).
Almost surely, 2389015254240 is an apocalyptic number.
It is an amenable number.
389015254240 is an abundant number, since it is smaller than the sum of its proper divisors (531665910128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389015254240 is a wasteful number, since it uses less digits than its factorization.
389015254240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4319131 (or 4319123 counting only the distinct ones).
The product of its (nonzero) digits is 345600, while the sum is 43.
The spelling of 389015254240 in words is "three hundred eighty-nine billion, fifteen million, two hundred fifty-four thousand, two hundred forty".
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