Base | Representation |
---|---|
bin | 1010111101111000110… |
… | …1011101010110001000 |
3 | 200000022201210012122121 |
4 | 2233132031131112020 |
5 | 11041331341220002 |
6 | 222315523501024 |
7 | 16420005501064 |
oct | 2573615352610 |
9 | 600281705577 |
10 | 188411663752 |
11 | 729a5521704 |
12 | 30622827774 |
13 | 149c8550b90 |
14 | 9195022aa4 |
15 | 4d7ae1d237 |
hex | 2bde35d588 |
188411663752 has 32 divisors (see below), whose sum is σ = 380518850880. Its totient is φ = 86942721600.
The previous prime is 188411663749. The next prime is 188411663801. The reversal of 188411663752 is 257366114881.
It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (52).
It is a self number, because there is not a number n which added to its sum of digits gives 188411663752.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387223 + ... + 725785.
It is an arithmetic number, because the mean of its divisors is an integer number (11891214090).
Almost surely, 2188411663752 is an apocalyptic number.
It is an amenable number.
188411663752 is an abundant number, since it is smaller than the sum of its proper divisors (192107187128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
188411663752 is a wasteful number, since it uses less digits than its factorization.
188411663752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 343933 (or 343929 counting only the distinct ones).
The product of its digits is 1935360, while the sum is 52.
The spelling of 188411663752 in words is "one hundred eighty-eight billion, four hundred eleven million, six hundred sixty-three thousand, seven hundred fifty-two".
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