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163900101 = 3191328559
BaseRepresentation
bin10011100010011…
…10101011000101
3102102101222200010
421301032223011
5313424300401
624132540433
74030061601
oct1161165305
9372358603
10163900101
1184576632
1246a81719
1327c57a11
1417aa6501
15e5c7ed6
hex9c4eac5

163900101 has 8 divisors (see below), whose sum is σ = 218655360. Its totient is φ = 109205792.

The previous prime is 163900091. The next prime is 163900127. The reversal of 163900101 is 101009361.

It is a happy number.

163900101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163900101 - 213 = 163891909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163900201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8541 + ... + 20018.

It is an arithmetic number, because the mean of its divisors is an integer number (27331920).

Almost surely, 2163900101 is an apocalyptic number.

It is an amenable number.

163900101 is a deficient number, since it is larger than the sum of its proper divisors (54755259).

163900101 is a wasteful number, since it uses less digits than its factorization.

163900101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30475.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 163900101 is about 12802.3474800522. The cubic root of 163900101 is about 547.2592031322.

Adding to 163900101 its reverse (101009361), we get a palindrome (264909462).

The spelling of 163900101 in words is "one hundred sixty-three million, nine hundred thousand, one hundred one".

Divisors: 1 3 1913 5739 28559 85677 54633367 163900101