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212320311310 = 25103237205663
BaseRepresentation
bin1100010110111101000…
…1101101100000001110
3202022000222010100100201
43011233101231200032
511434312444430220
6241312201044114
721224331603652
oct3055721554016
9668028110321
10212320311310
118205430a468
123519578663a
1317038943803
14a3c247ca62
1557c9db6d0a
hex316f46d80e

212320311310 has 16 divisors (see below), whose sum is σ = 382182120576. Its totient is φ = 84926888928.

The previous prime is 212320311293. The next prime is 212320311317. The reversal of 212320311310 is 13113023212.

212320311310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2123203113102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212320311317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929539 + ... + 1135201.

It is an arithmetic number, because the mean of its divisors is an integer number (23886382536).

Almost surely, 2212320311310 is an apocalyptic number.

212320311310 is a deficient number, since it is larger than the sum of its proper divisors (169861809266).

212320311310 is a wasteful number, since it uses less digits than its factorization.

212320311310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308907.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212320311310 its reverse (13113023212), we get a palindrome (225433334522).

The spelling of 212320311310 in words is "two hundred twelve billion, three hundred twenty million, three hundred eleven thousand, three hundred ten".

Divisors: 1 2 5 10 103237 205663 206474 411326 516185 1028315 1032370 2056630 21232031131 42464062262 106160155655 212320311310