Base | Representation |
---|---|
bin | 100111011000100… |
… | …110010111000101 |
3 | 1201001100002022210 |
4 | 213120212113011 |
5 | 2323123310010 |
6 | 145322214033 |
7 | 22242240003 |
oct | 4730462705 |
9 | 1631302283 |
10 | 660760005 |
11 | 309a88854 |
12 | 165354319 |
13 | a6b80769 |
14 | 63a81a73 |
15 | 3d020b20 |
hex | 276265c5 |
660760005 has 8 divisors (see below), whose sum is σ = 1057216032. Its totient is φ = 352405328.
The previous prime is 660759997. The next prime is 660760007. The reversal of 660760005 is 500067066.
660760005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 660760005 - 23 = 660759997 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (660760007) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22025319 + ... + 22025348.
It is an arithmetic number, because the mean of its divisors is an integer number (132152004).
Almost surely, 2660760005 is an apocalyptic number.
It is an amenable number.
660760005 is a deficient number, since it is larger than the sum of its proper divisors (396456027).
660760005 is a wasteful number, since it uses less digits than its factorization.
660760005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44050675.
The product of its (nonzero) digits is 7560, while the sum is 30.
The square root of 660760005 is about 25705.2524788223. The cubic root of 660760005 is about 870.9928353753.
The spelling of 660760005 in words is "six hundred sixty million, seven hundred sixty thousand, five".
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