Base | Representation |
---|---|
bin | 1010111111011100001… |
… | …1100001000100000000 |
3 | 200001101210010001221100 |
4 | 2233313003201010000 |
5 | 11043210043103221 |
6 | 222425133454400 |
7 | 16433226443664 |
oct | 2576703410400 |
9 | 601353101840 |
10 | 188828487936 |
11 | 73099838900 |
12 | 3071a341400 |
13 | 14a63a031ca |
14 | 91d45268a4 |
15 | 4da2806926 |
hex | 2bf70e1100 |
188828487936 has 243 divisors, whose sum is σ = 599161060407. Its totient is φ = 57151226880.
The previous prime is 188828487929. The next prime is 188828487937. The reversal of 188828487936 is 639784828881.
The square root of 188828487936 is 434544.
It is a perfect power (a square), and thus also a powerful number.
188828487936 is a `hidden beast` number, since 18 + 88 + 28 + 487 + 9 + 36 = 666.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is not an unprimeable number, because it can be changed into a prime (188828487937) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 229438821 + ... + 229439643.
Almost surely, 2188828487936 is an apocalyptic number.
188828487936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
188828487936 is the 434544-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 188828487936
188828487936 is an abundant number, since it is smaller than the sum of its proper divisors (410332572471).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
188828487936 is an frugal number, since it uses more digits than its factorization.
188828487936 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1690 (or 839 counting only the distinct ones).
The product of its digits is 297271296, while the sum is 72.
The spelling of 188828487936 in words is "one hundred eighty-eight billion, eight hundred twenty-eight million, four hundred eighty-seven thousand, nine hundred thirty-six".
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