Base | Representation |
---|---|
bin | 11010010010111111101… |
… | …011011110001100100100 |
3 | 20101202110001102122201110 |
4 | 122102333223132030210 |
5 | 214101421114432302 |
6 | 3502100553425020 |
7 | 244362450323424 |
oct | 32227753361444 |
9 | 6352401378643 |
10 | 1807102108452 |
11 | 63742a035903 |
12 | 25228aa0b170 |
13 | 10154174c544 |
14 | 6366db08484 |
15 | 320182e1b6c |
hex | 1a4bfade324 |
1807102108452 has 12 divisors (see below), whose sum is σ = 4216571586416. Its totient is φ = 602367369480.
The previous prime is 1807102108451. The next prime is 1807102108517. The reversal of 1807102108452 is 2548012017081.
It is a tau number, because it is divible by the number of its divisors (12).
It is a self number, because there is not a number n which added to its sum of digits gives 1807102108452.
It is not an unprimeable number, because it can be changed into a prime (1807102108451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75295921174 + ... + 75295921197.
Almost surely, 21807102108452 is an apocalyptic number.
1807102108452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1807102108452 is an abundant number, since it is smaller than the sum of its proper divisors (2409469477964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1807102108452 is a wasteful number, since it uses less digits than its factorization.
1807102108452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 150591842378 (or 150591842376 counting only the distinct ones).
The product of its (nonzero) digits is 35840, while the sum is 39.
The spelling of 1807102108452 in words is "one trillion, eight hundred seven billion, one hundred two million, one hundred eight thousand, four hundred fifty-two".
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