Search a number
-
+
101216 = 253163
BaseRepresentation
bin11000101101100000
312010211202
4120231200
511214331
62100332
7601043
oct305540
9163752
10101216
116a055
124a6a8
13370bb
1428c5a
151eecb
hex18b60

101216 has 12 divisors (see below), whose sum is σ = 199332. Its totient is φ = 50592.

The previous prime is 101209. The next prime is 101221. The reversal of 101216 is 612101.

101216 = T63 + T64 + ... + T94.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 101197 and 101206.

It is a congruent number.

It is an unprimeable number.

101216 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1550 + ... + 1613.

It is an arithmetic number, because the mean of its divisors is an integer number (16611).

2101216 is an apocalyptic number.

101216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

101216 is a deficient number, since it is larger than the sum of its proper divisors (98116).

101216 is an equidigital number, since it uses as much as digits as its factorization.

101216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173 (or 3165 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 101216 is about 318.1446212024. The cubic root of 101216 is about 46.6032699235.

Adding to 101216 its reverse (612101), we get a palindrome (713317).

It can be divided in two parts, 10121 and 6, that multiplied together give a triangular number (60726 = T348).

The spelling of 101216 in words is "one hundred one thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 32 3163 6326 12652 25304 50608 101216