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164484500212 = 22172418889709
BaseRepresentation
bin1001100100110000001…
…0100100101011110100
3120201120012121100210101
42121030002210223310
510143331013001322
6203321345403444
714612036116564
oct2311402445364
9521505540711
10164484500212
116383723758a
1227a65639584
1312684377446
147d65346da4
15442a518327
hex264c0a4af4

164484500212 has 12 divisors (see below), whose sum is σ = 304780103460. Its totient is φ = 77404470656.

The previous prime is 164484500203. The next prime is 164484500281. The reversal of 164484500212 is 212005484461.

It can be written as a sum of positive squares in 2 ways, for example, as 84189343716 + 80295156496 = 290154^2 + 283364^2 .

It is a congruent number.

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, 1209444787 + ... + 1209444922.

It is an arithmetic number, because the mean of its divisors is an integer number (25398341955).

Almost surely, 2164484500212 is an apocalyptic number.

It is an amenable number.

164484500212 is a deficient number, since it is larger than the sum of its proper divisors (140295603248).

164484500212 is a wasteful number, since it uses less digits than its factorization.

164484500212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418889730 (or 2418889728 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

Adding to 164484500212 its reverse (212005484461), we get a palindrome (376489984673).

The spelling of 164484500212 in words is "one hundred sixty-four billion, four hundred eighty-four million, five hundred thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 2418889709 4837779418 9675558836 41121125053 82242250106 164484500212