Search a number
-
+
11540213230 = 2571322375669
BaseRepresentation
bin10101011111101100…
…11010110111101110
31002210020221120110211
422233312122313232
5142113243310410
65145042453034
7555656123350
oct125766326756
932706846424
1011540213230
114992171007
1222a096417a
13111bb1c350
147b69330d0
154781ec68a
hex2afd9adee

11540213230 has 64 divisors (see below), whose sum is σ = 25581951360. Its totient is φ = 3650010624.

The previous prime is 11540213227. The next prime is 11540213257. The reversal of 11540213230 is 3231204511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2032836 + ... + 2038504.

It is an arithmetic number, because the mean of its divisors is an integer number (399717990).

Almost surely, 211540213230 is an apocalyptic number.

11540213230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11540213230 is an abundant number, since it is smaller than the sum of its proper divisors (14041738130).

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

11540213230 is a wasteful number, since it uses less digits than its factorization.

11540213230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7933.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 11540213230 its reverse (3231204511), we get a palindrome (14771417741).

The spelling of 11540213230 in words is "eleven billion, five hundred forty million, two hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 2237 4474 5669 11185 11338 15659 22370 28345 29081 31318 39683 56690 58162 73697 78295 79366 145405 147394 156590 198415 203567 290810 368485 396830 407134 515879 736970 1017835 1031758 2035670 2579395 5158790 12681553 25363106 63407765 88770871 126815530 164860189 177541742 329720378 443854355 824300945 887708710 1154021323 1648601890 2308042646 5770106615 11540213230