Base | Representation |
---|---|
bin | 11010001010000… |
… | …01000110000101 |
3 | 120021212122022010 |
4 | 31011001012011 |
5 | 422132402023 |
6 | 33434524433 |
7 | 5303013402 |
oct | 1505010605 |
9 | 507778263 |
10 | 219419013 |
11 | 102946830 |
12 | 61596719 |
13 | 365c6148 |
14 | 211d92a9 |
15 | 143e3093 |
hex | d141185 |
219419013 has 16 divisors (see below), whose sum is σ = 324389952. Its totient is φ = 130800000.
The previous prime is 219418999. The next prime is 219419021. The reversal of 219419013 is 310914912.
It is not a de Polignac number, because 219419013 - 217 = 219287941 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (219419033) 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, 52488 + ... + 56513.
It is an arithmetic number, because the mean of its divisors is an integer number (20274372).
Almost surely, 2219419013 is an apocalyptic number.
It is an amenable number.
219419013 is a deficient number, since it is larger than the sum of its proper divisors (104970939).
219419013 is a wasteful number, since it uses less digits than its factorization.
219419013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109076.
The product of its (nonzero) digits is 1944, while the sum is 30.
The square root of 219419013 is about 14812.7989590084. The cubic root of 219419013 is about 603.1491948127.
The spelling of 219419013 in words is "two hundred nineteen million, four hundred nineteen thousand, thirteen".
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