Search a number
-
+
13000216 = 231625027
BaseRepresentation
bin110001100101…
…111000011000
3220110110221111
4301211320120
511312001331
61142350104
7215333335
oct61457030
926413844
1013000216
11737a289
12442b334
132902348
141a2598c
15121bdb1
hexc65e18

13000216 has 8 divisors (see below), whose sum is σ = 24375420. Its totient is φ = 6500104.

The previous prime is 13000213. The next prime is 13000217. The reversal of 13000216 is 61200031.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 13000196 and 13000205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812506 + ... + 812521.

Almost surely, 213000216 is an apocalyptic number.

It is an amenable number.

13000216 is a deficient number, since it is larger than the sum of its proper divisors (11375204).

13000216 is a wasteful number, since it uses less digits than its factorization.

13000216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625033 (or 1625029 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 13000216 is about 3605.5812291502. The cubic root of 13000216 is about 235.1347710425.

Adding to 13000216 its reverse (61200031), we get a palindrome (74200247).

The spelling of 13000216 in words is "thirteen million, two hundred sixteen", and thus it is an aban number.

Divisors: 1 2 4 8 1625027 3250054 6500108 13000216