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68160201 = 3192351991
BaseRepresentation
bin1000001000000…
…00101011001001
311202020220012220
410010000223021
5114422111301
610432524253
71455231534
oct404005311
9152226186
1068160201
113552484a
121a9b0689
13111762a5
1490a3a1b
155eb5936
hex4100ac9

68160201 has 16 divisors (see below), whose sum is σ = 99824640. Its totient is φ = 41176080.

The previous prime is 68160193. The next prime is 68160221. The reversal of 68160201 is 10206186.

It is not a de Polignac number, because 68160201 - 23 = 68160193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68160221) 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, 24685 + ... + 27306.

It is an arithmetic number, because the mean of its divisors is an integer number (6239040).

Almost surely, 268160201 is an apocalyptic number.

It is an amenable number.

68160201 is a deficient number, since it is larger than the sum of its proper divisors (31664439).

68160201 is a wasteful number, since it uses less digits than its factorization.

68160201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52036.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 68160201 is about 8255.9191493134. The cubic root of 68160201 is about 408.4857907822.

Adding to 68160201 its reverse (10206186), we get a palindrome (78366387).

The spelling of 68160201 in words is "sixty-eight million, one hundred sixty thousand, two hundred one".

Divisors: 1 3 19 23 57 69 437 1311 51991 155973 987829 1195793 2963487 3587379 22720067 68160201