Search a number
-
+
213142244320 = 2552341569047
BaseRepresentation
bin1100011010000001000…
…1001000101111100000
3202101011020201212111001
43012200101020233200
511443003403304240
6241525522001344
721253602120055
oct3064021105740
9671136655431
10213142244320
1182436270945
1235384aa6254
131713a0058c5
14a45d6b702c
15582712289a
hex31a0448be0

213142244320 has 48 divisors (see below), whose sum is σ = 503764537248. Its totient is φ = 85220328960.

The previous prime is 213142244281. The next prime is 213142244423. The reversal of 213142244320 is 23442241312.

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, 90037 + ... + 659083.

It is an arithmetic number, because the mean of its divisors is an integer number (10495094526).

Almost surely, 2213142244320 is an apocalyptic number.

213142244320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213142244320 is an abundant number, since it is smaller than the sum of its proper divisors (290622292928).

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

213142244320 is a wasteful number, since it uses less digits than its factorization.

213142244320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571403 (or 571395 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 213142244320 its reverse (23442241312), we get a palindrome (236584485632).

The spelling of 213142244320 in words is "two hundred thirteen billion, one hundred forty-two million, two hundred forty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 2341 4682 9364 11705 18728 23410 37456 46820 74912 93640 187280 374560 569047 1138094 2276188 2845235 4552376 5690470 9104752 11380940 18209504 22761880 45523760 91047520 1332139027 2664278054 5328556108 6660695135 10657112216 13321390270 21314224432 26642780540 42628448864 53285561080 106571122160 213142244320