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102443210311 = 1310178022247
BaseRepresentation
bin101111101101000010…
…1110101011001000111
3100210102102222021201111
41133122011311121013
53134300430212221
6115021201305451
710254431630431
oct1373205653107
9323372867644
10102443210311
113a49a581182
1217a30035287
139877a47210
144d5b72b651
1529e8998be1
hex17da175647

102443210311 has 8 divisors (see below), whose sum is σ = 111415770144. Its totient is φ = 93626695200.

The previous prime is 102443210279. The next prime is 102443210321. The reversal of 102443210311 is 113012344201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102443210311 - 25 = 102443210279 is a prime.

It is a super-2 number, since 2×1024432103112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102443210321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39009811 + ... + 39012436.

It is an arithmetic number, because the mean of its divisors is an integer number (13926971268).

Almost surely, 2102443210311 is an apocalyptic number.

102443210311 is a deficient number, since it is larger than the sum of its proper divisors (8972559833).

102443210311 is a wasteful number, since it uses less digits than its factorization.

102443210311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78022361.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 102443210311 its reverse (113012344201), we get a palindrome (215455554512).

The spelling of 102443210311 in words is "one hundred two billion, four hundred forty-three million, two hundred ten thousand, three hundred eleven".

Divisors: 1 13 101 1313 78022247 1014289211 7880246947 102443210311