Search a number
-
+
212213213002144 = 258537774516889
BaseRepresentation
bin110000010000000110111101…
…001011010111100110100000
31000211101101101200120220100001
4300100012331023113212200
5210303400130012032034
62031201223150105344
762461620151051264
oct6020067513274640
91024341350526301
10212213213002144
1161688133397432
121b9744137ab254
13915480a529aa3
143a592624580a4
15198024540ca14
hexc101bd2d79a0

212213213002144 has 24 divisors (see below), whose sum is σ = 418284557715780. Its totient is φ = 105982214217216.

The previous prime is 212213213002129. The next prime is 212213213002159. The reversal of 212213213002144 is 441200312312212.

It is an interprime number because it is at equal distance from previous prime (212213213002129) and next prime (212213213002159).

It can be written as a sum of positive squares in 2 ways, for example, as 137325304713744 + 74887908288400 = 11718588^2 + 8653780^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3887231149 + ... + 3887285740.

Almost surely, 2212213213002144 is an apocalyptic number.

It is an amenable number.

212213213002144 is a deficient number, since it is larger than the sum of its proper divisors (206071344713636).

212213213002144 is an equidigital number, since it uses as much as digits as its factorization.

212213213002144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7774517752 (or 7774517744 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 212213213002144 its reverse (441200312312212), we get a palindrome (653413525314356).

The spelling of 212213213002144 in words is "two hundred twelve trillion, two hundred thirteen billion, two hundred thirteen million, two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 853 1706 3412 6824 13648 27296 7774516889 15549033778 31098067556 62196135112 124392270224 248784540448 6631662906317 13263325812634 26526651625268 53053303250536 106106606501072 212213213002144