Base | Representation |
---|---|
bin | 111011101101110001… |
… | …0000000111000011100 |
3 | 110021000001212121222210 |
4 | 1313123202000320130 |
5 | 4100112204202041 |
6 | 134524503440420 |
7 | 12156560013525 |
oct | 1673342007034 |
9 | 407001777883 |
10 | 128237178396 |
11 | 4a4265a9178 |
12 | 20a2a456110 |
13 | c128900c22 |
14 | 62c730d84c |
15 | 3508201016 |
hex | 1ddb880e1c |
128237178396 has 48 divisors (see below), whose sum is σ = 301300020000. Its totient is φ = 42448730112.
The previous prime is 128237178389. The next prime is 128237178413. The reversal of 128237178396 is 693871732821.
128237178396 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13285380 + ... + 13295028.
It is an arithmetic number, because the mean of its divisors is an integer number (6277083750).
Almost surely, 2128237178396 is an apocalyptic number.
It is an amenable number.
128237178396 is an abundant number, since it is smaller than the sum of its proper divisors (173062841604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128237178396 is a wasteful number, since it uses less digits than its factorization.
128237178396 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17238 (or 17236 counting only the distinct ones).
The product of its digits is 6096384, while the sum is 57.
The spelling of 128237178396 in words is "one hundred twenty-eight billion, two hundred thirty-seven million, one hundred seventy-eight thousand, three hundred ninety-six".
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