Base | Representation |
---|---|
bin | 10101111111100101… |
… | …10110101000110101 |
3 | 1010110220022000100000 |
4 | 22333302312220311 |
5 | 143140233320340 |
6 | 5231400141513 |
7 | 565414624464 |
oct | 127762665065 |
9 | 33426260300 |
10 | 11807713845 |
11 | 500a1681a4 |
12 | 2356467899 |
13 | 116237b635 |
14 | 8002869db |
15 | 49193bd30 |
hex | 2bfcb6a35 |
11807713845 has 96 divisors (see below), whose sum is σ = 22241157120. Its totient is φ = 6002061120.
The previous prime is 11807713787. The next prime is 11807713847. The reversal of 11807713845 is 54831770811.
It is not a de Polignac number, because 11807713845 - 210 = 11807712821 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 11807713845.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11807713847) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2521216 + ... + 2525894.
It is an arithmetic number, because the mean of its divisors is an integer number (231678720).
Almost surely, 211807713845 is an apocalyptic number.
11807713845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
11807713845 is a deficient number, since it is larger than the sum of its proper divisors (10433443275).
11807713845 is an equidigital number, since it uses as much as digits as its factorization.
11807713845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4797 (or 4785 counting only the distinct ones).
The product of its (nonzero) digits is 188160, while the sum is 45.
The spelling of 11807713845 in words is "eleven billion, eight hundred seven million, seven hundred thirteen thousand, eight hundred forty-five".
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