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212423303324212 = 221710130929426809
BaseRepresentation
bin110000010011001010100111…
…100010010110001000110100
31000212010110200020121001112121
4300103022213202112020310
5210320320411122333322
62031441530210525324
762513035324244011
oct6023124742261064
91025113606531477
10212423303324212
1161759242953982
121b9a9086596844
13916b57c16bb26
143a654b2690708
15198593e631ec7
hexc132a7896234

212423303324212 has 24 divisors (see below), whose sum is σ = 397504993362120. Its totient is φ = 98974165785600.

The previous prime is 212423303324189. The next prime is 212423303324237.

It is a happy number.

212423303324212 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 67424232423076 + 144999070901136 = 8211226^2 + 12041556^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 15464706537 + ... + 15464720272.

It is an arithmetic number, because the mean of its divisors is an integer number (16562708056755).

Almost surely, 2212423303324212 is an apocalyptic number.

It is an amenable number.

212423303324212 is a deficient number, since it is larger than the sum of its proper divisors (185081690037908).

212423303324212 is a wasteful number, since it uses less digits than its factorization.

212423303324212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30929426931 (or 30929426929 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

It can be divided in two parts, 21242330 and 3324212, that added together give a palindrome (24566542).

The spelling of 212423303324212 in words is "two hundred twelve trillion, four hundred twenty-three billion, three hundred three million, three hundred twenty-four thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 101 202 404 1717 3434 6868 30929426809 61858853618 123717707236 525800255753 1051600511506 2103201023012 3123872107709 6247744215418 12495488430836 53105825831053 106211651662106 212423303324212