Base | Representation |
---|---|
bin | 1111010010111… |
… | …10111111110000 |
3 | 22221110002121100 |
4 | 13221132333300 |
5 | 230322043001 |
6 | 20422124400 |
7 | 3115443210 |
oct | 751367760 |
9 | 287402540 |
10 | 128315376 |
11 | 66481272 |
12 | 36b80700 |
13 | 20778a77 |
14 | 13082240 |
15 | b3e9586 |
hex | 7a5eff0 |
128315376 has 60 divisors (see below), whose sum is σ = 410408752. Its totient is φ = 36661248.
The previous prime is 128315353. The next prime is 128315381. The reversal of 128315376 is 673513821.
128315376 is a `hidden beast` number, since 1 + 283 + 1 + 5 + 376 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 128315376.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62641 + ... + 64656.
Almost surely, 2128315376 is an apocalyptic number.
128315376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
128315376 is an abundant number, since it is smaller than the sum of its proper divisors (282093376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
128315376 is a wasteful number, since it uses less digits than its factorization.
128315376 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127318 (or 127309 counting only the distinct ones).
The product of its digits is 30240, while the sum is 36.
The square root of 128315376 is about 11327.6377060709. The cubic root of 128315376 is about 504.3819855493.
The spelling of 128315376 in words is "one hundred twenty-eight million, three hundred fifteen thousand, three hundred seventy-six".
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