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102212233212 = 22310779604543
BaseRepresentation
bin101111100110001010…
…0101110011111111100
3100202211100100102201010
41133030110232133330
53133312312430322
6114542230515220
710245625435005
oct1371424563774
9322740312633
10102212233212
113a391160711
1217986805b10
13983bc3528b
144d38ba41ac
1529d357120c
hex17cc52e7fc

102212233212 has 24 divisors (see below), whose sum is σ = 240724141056. Its totient is φ = 33752325808.

The previous prime is 102212233171. The next prime is 102212233217. The reversal of 102212233212 is 212332212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212233217) 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, 39800988 + ... + 39803555.

It is an arithmetic number, because the mean of its divisors is an integer number (10030172544).

Almost surely, 2102212233212 is an apocalyptic number.

102212233212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102212233212 is an abundant number, since it is smaller than the sum of its proper divisors (138511907844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102212233212 is a wasteful number, since it uses less digits than its factorization.

102212233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79604657 (or 79604655 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 102212233212 its reverse (212332212201), we get a palindrome (314544445413).

The spelling of 102212233212 in words is "one hundred two billion, two hundred twelve million, two hundred thirty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 107 214 321 428 642 1284 79604543 159209086 238813629 318418172 477627258 955254516 8517686101 17035372202 25553058303 34070744404 51106116606 102212233212