Base | Representation |
---|---|
bin | 10011011100100… |
… | …10000101001100 |
3 | 102100221202001000 |
4 | 21232102011030 |
5 | 313230041003 |
6 | 24104220300 |
7 | 4020363516 |
oct | 1156220514 |
9 | 370852030 |
10 | 163127628 |
11 | 84099224 |
12 | 4676a690 |
13 | 27a47231 |
14 | 17944bb6 |
15 | e4c41a3 |
hex | 9b9214c |
163127628 has 36 divisors (see below), whose sum is σ = 423267880. Its totient is φ = 54331632.
The previous prime is 163127621. The next prime is 163127633. The reversal of 163127628 is 826721361.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
163127628 is a `hidden beast` number, since 1 + 6 + 3 + 1 + 27 + 628 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×1631276282 = 53221246033812768, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 163127592 and 163127601.
It is not an unprimeable number, because it can be changed into a prime (163127621) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132118 + ... + 133346.
Almost surely, 2163127628 is an apocalyptic number.
163127628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
163127628 is an abundant number, since it is smaller than the sum of its proper divisors (260140252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
163127628 is an equidigital number, since it uses as much as digits as its factorization.
163127628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2471 (or 1234 counting only the distinct ones).
The product of its digits is 24192, while the sum is 36.
The square root of 163127628 is about 12772.1426550129. The cubic root of 163127628 is about 546.3980915167.
Adding to 163127628 its reverse (826721361), we get a palindrome (989848989).
The spelling of 163127628 in words is "one hundred sixty-three million, one hundred twenty-seven thousand, six hundred twenty-eight".
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