Base | Representation |
---|---|
bin | 1111001110010… |
… | …01111111000110 |
3 | 22220022002100221 |
4 | 13213021333012 |
5 | 230143030110 |
6 | 20401054554 |
7 | 3110321605 |
oct | 747117706 |
9 | 286262327 |
10 | 127705030 |
11 | 660a4752 |
12 | 3692745a |
13 | 205c400b |
14 | 12d63a3c |
15 | b3287da |
hex | 79c9fc6 |
127705030 has 8 divisors (see below), whose sum is σ = 229869072. Its totient is φ = 51082008.
The previous prime is 127705013. The next prime is 127705031. The reversal of 127705030 is 30507721.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 127704986 and 127705004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (127705031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6385242 + ... + 6385261.
It is an arithmetic number, because the mean of its divisors is an integer number (28733634).
Almost surely, 2127705030 is an apocalyptic number.
127705030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
127705030 is a deficient number, since it is larger than the sum of its proper divisors (102164042).
127705030 is a wasteful number, since it uses less digits than its factorization.
127705030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12770510.
The product of its (nonzero) digits is 1470, while the sum is 25.
The square root of 127705030 is about 11300.6650246789. The cubic root of 127705030 is about 503.5809983403.
The spelling of 127705030 in words is "one hundred twenty-seven million, seven hundred five thousand, thirty".
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