Base | Representation |
---|---|
bin | 1010111110000011000… |
… | …0111001110110110110 |
3 | 200000102201102000122220 |
4 | 2233200300321312312 |
5 | 11041423323310011 |
6 | 222324054103210 |
7 | 16421035622220 |
oct | 2574060716666 |
9 | 600381360586 |
10 | 188454510006 |
11 | 72a17726734 |
12 | 3063504ab06 |
13 | 14a043a30a9 |
14 | 919a9b7410 |
15 | 4d7ea83506 |
hex | 2be0c39db6 |
188454510006 has 32 divisors (see below), whose sum is σ = 431170257408. Its totient is φ = 53792009280.
The previous prime is 188454510001. The next prime is 188454510019. The reversal of 188454510006 is 600015454881.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 188454510006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (188454510001) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2128450 + ... + 2215221.
It is an arithmetic number, because the mean of its divisors is an integer number (13474070544).
Almost surely, 2188454510006 is an apocalyptic number.
188454510006 is an abundant number, since it is smaller than the sum of its proper divisors (242715747402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
188454510006 is a wasteful number, since it uses less digits than its factorization.
188454510006 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4344716.
The product of its (nonzero) digits is 153600, while the sum is 42.
Adding to 188454510006 its reverse (600015454881), we get a palindrome (788469964887).
The spelling of 188454510006 in words is "one hundred eighty-eight billion, four hundred fifty-four million, five hundred ten thousand, six".
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