Base | Representation |
---|---|
bin | 1111001110010… |
… | …10000000100101 |
3 | 22220022002111110 |
4 | 13213022000211 |
5 | 230143031000 |
6 | 20401055233 |
7 | 3110322102 |
oct | 747120045 |
9 | 286262443 |
10 | 127705125 |
11 | 660a4829 |
12 | 36927519 |
13 | 205c4082 |
14 | 12d63aa9 |
15 | b328850 |
hex | 79ca025 |
127705125 has 32 divisors (see below), whose sum is σ = 219847680. Its totient is φ = 65755200.
The previous prime is 127705117. The next prime is 127705133. The reversal of 127705125 is 521507721.
It is an interprime number because it is at equal distance from previous prime (127705117) and next prime (127705133).
It is not a de Polignac number, because 127705125 - 23 = 127705117 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 127705092 and 127705101.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5004 + ... + 16746.
It is an arithmetic number, because the mean of its divisors is an integer number (6870240).
Almost surely, 2127705125 is an apocalyptic number.
127705125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
127705125 is a deficient number, since it is larger than the sum of its proper divisors (92142555).
127705125 is a wasteful number, since it uses less digits than its factorization.
127705125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11790 (or 11780 counting only the distinct ones).
The product of its (nonzero) digits is 4900, while the sum is 30.
The square root of 127705125 is about 11300.6692279705. The cubic root of 127705125 is about 503.5811232119.
The spelling of 127705125 in words is "one hundred twenty-seven million, seven hundred five thousand, one hundred twenty-five".
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