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13113219 = 376011039
BaseRepresentation
bin110010000001…
…011110000011
3220200012221210
4302001132003
511324110334
61145021203
7216313650
oct62013603
926605853
1013113219
117447179
124484803
132941902
141a54c27
1512405e9
hexc81783

13113219 has 16 divisors (see below), whose sum is σ = 20034560. Its totient is φ = 7473600.

The previous prime is 13113181. The next prime is 13113223. The reversal of 13113219 is 91231131.

It is not a de Polignac number, because 13113219 - 27 = 13113091 is a prime.

It is a super-2 number, since 2×131132192 = 343913025083922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 13113195 and 13113204.

It is not an unprimeable number, because it can be changed into a prime (13113119) 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, 12102 + ... + 13140.

It is an arithmetic number, because the mean of its divisors is an integer number (1252160).

Almost surely, 213113219 is an apocalyptic number.

13113219 is a deficient number, since it is larger than the sum of its proper divisors (6921341).

13113219 is a wasteful number, since it uses less digits than its factorization.

13113219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650.

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

The square root of 13113219 is about 3621.2178890533. The cubic root of 13113219 is about 235.8141011868.

The spelling of 13113219 in words is "thirteen million, one hundred thirteen thousand, two hundred nineteen".

Divisors: 1 3 7 21 601 1039 1803 3117 4207 7273 12621 21819 624439 1873317 4371073 13113219