Base | Representation |
---|---|
bin | 1111001111111… |
… | …01101110000000 |
3 | 22220200212001000 |
4 | 13213331232000 |
5 | 230221320203 |
6 | 20405412000 |
7 | 3112163436 |
oct | 747755600 |
9 | 286625030 |
10 | 127916928 |
11 | 66229977 |
12 | 36a0a000 |
13 | 206695b9 |
14 | 12dbad56 |
15 | b36b4a3 |
hex | 79fdb80 |
127916928 has 64 divisors (see below), whose sum is σ = 377542800. Its totient is φ = 42637824.
The previous prime is 127916917. The next prime is 127916953. The reversal of 127916928 is 829619721.
It is a tau number, because it is divible by the number of its divisors (64).
It is a zygodrome in base 11.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15051 + ... + 21962.
Almost surely, 2127916928 is an apocalyptic number.
127916928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
127916928 is an abundant number, since it is smaller than the sum of its proper divisors (249625872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127916928 is an equidigital number, since it uses as much as digits as its factorization.
127916928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37036 (or 37018 counting only the distinct ones).
The product of its digits is 108864, while the sum is 45.
The square root of 127916928 is about 11310.0366047153. The cubic root of 127916928 is about 503.8593711955.
The spelling of 127916928 in words is "one hundred twenty-seven million, nine hundred sixteen thousand, nine hundred twenty-eight".
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