Base | Representation |
---|---|
bin | 1011010101111101101… |
… | …00111111110001110000 |
3 | 1101021000020210022212220 |
4 | 11222332310333301300 |
5 | 22341201121323100 |
6 | 455014213321040 |
7 | 40105222416636 |
oct | 5527664776160 |
9 | 1337006708786 |
10 | 389748620400 |
11 | 140322a32157 |
12 | 63652036180 |
13 | 2a9a3847559 |
14 | 14c148c5356 |
15 | a211932aa0 |
hex | 5abed3fc70 |
389748620400 has 120 divisors (see below), whose sum is σ = 1291546405680. Its totient is φ = 100349061120.
The previous prime is 389748620383. The next prime is 389748620431. The reversal of 389748620400 is 4026847983.
It is a tau number, because it is divible by the number of its divisors (120).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5565037 + ... + 5634636.
It is an arithmetic number, because the mean of its divisors is an integer number (10762886714).
Almost surely, 2389748620400 is an apocalyptic number.
389748620400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
389748620400 is an abundant number, since it is smaller than the sum of its proper divisors (901797785280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389748620400 is a wasteful number, since it uses less digits than its factorization.
389748620400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11199723 (or 11199712 counting only the distinct ones).
The product of its (nonzero) digits is 2322432, while the sum is 51.
The spelling of 389748620400 in words is "three hundred eighty-nine billion, seven hundred forty-eight million, six hundred twenty thousand, four hundred".
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