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213200213122 = 21310975229433
BaseRepresentation
bin1100011010001110111…
…0010001010010000010
3202101022021210222201201
43012203232101102002
511443113223304442
6241535352251414
721255204624241
oct3064356212202
9671267728651
10213200213122
1182465a64746
12353a03a0b6a
1317149021180
14a467286958
15582c2737b7
hex31a3b91482

213200213122 has 16 divisors (see below), whose sum is σ = 347559985080. Its totient is φ = 97497343872.

The previous prime is 213200213081. The next prime is 213200213141. The reversal of 213200213122 is 221312002312.

It can be written as a sum of positive squares in 4 ways, for example, as 113117196241 + 100083016881 = 336329^2 + 316359^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 213200213122.

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, 37611883 + ... + 37617550.

Almost surely, 2213200213122 is an apocalyptic number.

213200213122 is a deficient number, since it is larger than the sum of its proper divisors (134359771958).

213200213122 is a wasteful number, since it uses less digits than its factorization.

213200213122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75229557.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 213200213122 its reverse (221312002312), we get a palindrome (434512215434).

The spelling of 213200213122 in words is "two hundred thirteen billion, two hundred million, two hundred thirteen thousand, one hundred twenty-two".

Divisors: 1 2 13 26 109 218 1417 2834 75229433 150458866 977982629 1955965258 8200008197 16400016394 106600106561 213200213122