Search a number
-
+
212213044360 = 23510749582487
BaseRepresentation
bin1100010110100011100…
…0100001010010001000
3202021202111021121202201
43011220320201102020
511434103014404420
6241253410005544
721221560054222
oct3055070412210
9667674247681
10212213044360
1181aa9805199
12351658768b4
131701c657445
14a3b2119412
1557c077910a
hex3168e21488

212213044360 has 32 divisors (see below), whose sum is σ = 481941783360. Its totient is φ = 84091896256.

The previous prime is 212213044349. The next prime is 212213044367. The reversal of 212213044360 is 63440312212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212213044367) 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, 24786964 + ... + 24795523.

It is an arithmetic number, because the mean of its divisors is an integer number (15060680730).

Almost surely, 2212213044360 is an apocalyptic number.

212213044360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212213044360 is an abundant number, since it is smaller than the sum of its proper divisors (269728739000).

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

212213044360 is a wasteful number, since it uses less digits than its factorization.

212213044360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49582605 (or 49582601 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 212213044360 its reverse (63440312212), we get a palindrome (275653356572).

The spelling of 212213044360 in words is "two hundred twelve billion, two hundred thirteen million, forty-four thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 107 214 428 535 856 1070 2140 4280 49582487 99164974 198329948 247912435 396659896 495824870 991649740 1983299480 5305326109 10610652218 21221304436 26526630545 42442608872 53053261090 106106522180 212213044360