Search a number
-
+
2001213230 = 25931121493
BaseRepresentation
bin111011101001000…
…0001011100101110
312011110122011110112
41313102001130232
513044302310410
6530324540022
7100410013622
oct16722013456
95143564415
102001213230
119376a6135
1247a251612
1325b7b0653
1414dad3182
15baa52105
hex7748172e

2001213230 has 16 divisors (see below), whose sum is σ = 3602738304. Its totient is φ = 800362080.

The previous prime is 2001213173. The next prime is 2001213241. The reversal of 2001213230 is 323121002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82364 + ... + 103856.

It is an arithmetic number, because the mean of its divisors is an integer number (225171144).

Almost surely, 22001213230 is an apocalyptic number.

2001213230 is a deficient number, since it is larger than the sum of its proper divisors (1601525074).

2001213230 is a wasteful number, since it uses less digits than its factorization.

2001213230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30811.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2001213230 is about 44734.9218173006. The cubic root of 2001213230 is about 1260.1757607339.

Adding to 2001213230 its reverse (323121002), we get a palindrome (2324334232).

The spelling of 2001213230 in words is "two billion, one million, two hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 5 10 9311 18622 21493 42986 46555 93110 107465 214930 200121323 400242646 1000606615 2001213230