Base | Representation |
---|---|
bin | 110010010110010010… |
… | …0111000000110100101 |
3 | 101100002012201002000000 |
4 | 1210230210320012211 |
5 | 3232413221000020 |
6 | 121400502411513 |
7 | 10545236143326 |
oct | 1445444700645 |
9 | 340065632000 |
10 | 108122046885 |
11 | 41944093146 |
12 | 18b55a30b99 |
13 | a271415348 |
14 | 5339a1844d |
15 | 2c2c2e2090 |
hex | 192c9381a5 |
108122046885 has 112 divisors (see below), whose sum is σ = 206296055280. Its totient is φ = 54188144640.
The previous prime is 108122046803. The next prime is 108122046887. The reversal of 108122046885 is 588640221801.
108122046885 is a `hidden beast` number, since 10 + 81 + 2 + 20 + 468 + 85 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 274830084 + 107847216801 = 16578^2 + 328401^2 .
It is not a de Polignac number, because 108122046885 - 222 = 108117852581 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 108122046885.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (108122046887) by changing a digit.
It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 63265411 + ... + 63267119.
It is an arithmetic number, because the mean of its divisors is an integer number (1841929065).
Almost surely, 2108122046885 is an apocalyptic number.
108122046885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
108122046885 is a deficient number, since it is larger than the sum of its proper divisors (98174008395).
108122046885 is a wasteful number, since it uses less digits than its factorization.
108122046885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2770 (or 2755 counting only the distinct ones).
The product of its (nonzero) digits is 245760, while the sum is 45.
The spelling of 108122046885 in words is "one hundred eight billion, one hundred twenty-two million, forty-six thousand, eight hundred eighty-five".
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