Base | Representation |
---|---|
bin | 1100111001000… |
… | …10110001100101 |
3 | 21112111101002201 |
4 | 12130202301211 |
5 | 210141131030 |
6 | 14421534501 |
7 | 2452136530 |
oct | 634426145 |
9 | 245441081 |
10 | 108145765 |
11 | 56055572 |
12 | 30274431 |
13 | 195363a0 |
14 | 10511a17 |
15 | 97632ca |
hex | 6722c65 |
108145765 has 16 divisors (see below), whose sum is σ = 159723648. Its totient is φ = 68452416.
The previous prime is 108145757. The next prime is 108145787. The reversal of 108145765 is 567541801.
It is a cyclic number.
It is not a de Polignac number, because 108145765 - 23 = 108145757 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118387 + ... + 119296.
It is an arithmetic number, because the mean of its divisors is an integer number (9982728).
Almost surely, 2108145765 is an apocalyptic number.
It is an amenable number.
108145765 is a deficient number, since it is larger than the sum of its proper divisors (51577883).
108145765 is a wasteful number, since it uses less digits than its factorization.
108145765 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 237708.
The product of its (nonzero) digits is 33600, while the sum is 37.
The square root of 108145765 is about 10399.3156024808. The cubic root of 108145765 is about 476.4344669728.
The spelling of 108145765 in words is "one hundred eight million, one hundred forty-five thousand, seven hundred sixty-five".
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