Search a number
-
+
213311422412 = 221121587224579
BaseRepresentation
bin1100011010101001011…
…0011111111111001100
3202101121001002000012022
43012222112133333030
511443330211004122
6241554404025312
721261025113464
oct3065226377714
9671531060168
10213311422412
1182512811950
1235411692238
131716608aa9a
14a477d54ba4
155836dde642
hex31aa59ffcc

213311422412 has 24 divisors (see below), whose sum is σ = 407251575360. Its totient is φ = 96954814160.

The previous prime is 213311422399. The next prime is 213311422417. The reversal of 213311422412 is 214224113312.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (213311422417) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 837539 + ... + 1062117.

It is an arithmetic number, because the mean of its divisors is an integer number (16968815640).

Almost surely, 2213311422412 is an apocalyptic number.

213311422412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213311422412 is a deficient number, since it is larger than the sum of its proper divisors (193940152948).

213311422412 is a wasteful number, since it uses less digits than its factorization.

213311422412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246181 (or 246179 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

Adding to 213311422412 its reverse (214224113312), we get a palindrome (427535535724).

The spelling of 213311422412 in words is "two hundred thirteen billion, three hundred eleven million, four hundred twenty-two thousand, four hundred twelve".

Divisors: 1 2 4 11 22 44 21587 43174 86348 224579 237457 449158 474914 898316 949828 2470369 4940738 9881476 4847986873 9695973746 19391947492 53327855603 106655711206 213311422412