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102124224212 = 2231780539609
BaseRepresentation
bin101111100011100010…
…0111111111011010100
3100202121012202010001112
41133013010333323110
53133122300133322
6114525404314152
710243506404003
oct1370704777324
9322535663045
10102124224212
113a34650a1aa
1217961242958
13982692c64a
144d2b214c3a
1529ca9895e2
hex17c713fed4

102124224212 has 12 divisors (see below), whose sum is σ = 179281171860. Its totient is φ = 50901032256.

The previous prime is 102124224193. The next prime is 102124224259. The reversal of 102124224212 is 212422421201.

It can be written as a sum of positive squares in 2 ways, for example, as 8724307216 + 93399916996 = 93404^2 + 305614^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 40268537 + ... + 40271072.

It is an arithmetic number, because the mean of its divisors is an integer number (14940097655).

Almost surely, 2102124224212 is an apocalyptic number.

It is an amenable number.

102124224212 is a deficient number, since it is larger than the sum of its proper divisors (77156947648).

102124224212 is a wasteful number, since it uses less digits than its factorization.

102124224212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80539930 (or 80539928 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 102124224212 its reverse (212422421201), we get a palindrome (314546645413).

The spelling of 102124224212 in words is "one hundred two billion, one hundred twenty-four million, two hundred twenty-four thousand, two hundred twelve".

Divisors: 1 2 4 317 634 1268 80539609 161079218 322158436 25531056053 51062112106 102124224212