Search a number
-
+
2220023213 = 19137852871
BaseRepresentation
bin1000010001010010…
…1101110110101101
312201201100212022222
42010110231312231
514021311220323
61004142445125
7106004612612
oct20424556655
95651325288
102220023213
11a3a166331
1251b5937a5
13294c22505
14170bb0509
15ced749c8
hex8452ddad

2220023213 has 8 divisors (see below), whose sum is σ = 2353926720. Its totient is φ = 2087825760.

The previous prime is 2220023191. The next prime is 2220023219. The reversal of 2220023213 is 3123200222.

2220023213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2220023213 - 212 = 2220019117 is a prime.

It is a super-3 number, since 3×22200232133 (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2220023191 and 2220023200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220023219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423833 + ... + 429038.

It is an arithmetic number, because the mean of its divisors is an integer number (294240840).

Almost surely, 22220023213 is an apocalyptic number.

It is an amenable number.

2220023213 is a deficient number, since it is larger than the sum of its proper divisors (133903507).

2220023213 is a wasteful number, since it uses less digits than its factorization.

2220023213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853027.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2220023213 is about 47117.1222911587. The cubic root of 2220023213 is about 1304.5252968275.

Adding to 2220023213 its reverse (3123200222), we get a palindrome (5343223435).

The spelling of 2220023213 in words is "two billion, two hundred twenty million, twenty-three thousand, two hundred thirteen".

Divisors: 1 19 137 2603 852871 16204549 116843327 2220023213