Search a number
-
+
2013213230 = 257231250443
BaseRepresentation
bin111011111111111…
…0011001000101110
312012022012211100222
41313333303020232
513110340310410
6531434051342
7100614013220
oct16777631056
95168184328
102013213230
11943451996
12482279b52
13261122642
14151538410
15bbb22955
hex77ff322e

2013213230 has 32 divisors (see below), whose sum is σ = 4321534464. Its totient is φ = 660233376.

The previous prime is 2013213211. The next prime is 2013213269. The reversal of 2013213230 is 323123102.

It is a junction number, because it is equal to n+sod(n) for n = 2013213199 and 2013213208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 623612 + ... + 626831.

It is an arithmetic number, because the mean of its divisors is an integer number (135047952).

Almost surely, 22013213230 is an apocalyptic number.

2013213230 is an abundant number, since it is smaller than the sum of its proper divisors (2308321234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2013213230 is a wasteful number, since it uses less digits than its factorization.

2013213230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250480.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2013213230 is about 44868.8447589193. The cubic root of 2013213230 is about 1262.6895664112.

Adding to 2013213230 its reverse (323123102), we get a palindrome (2336336332).

The spelling of 2013213230 in words is "two billion, thirteen million, two hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 161 230 322 805 1610 1250443 2500886 6252215 8753101 12504430 17506202 28760189 43765505 57520378 87531010 143800945 201321323 287601890 402642646 1006606615 2013213230