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102442321041 = 3293893026987
BaseRepresentation
bin101111101101000001…
…0011100010010010001
3100210102101022002212120
41133122002130102101
53134300213233131
6115021130244453
710254421235004
oct1373202342221
9323371262776
10102442321041
113a49a024045
1217a2b886729
1398777c5518
144d5b57953b
1529e8870496
hex17da09c491

102442321041 has 16 divisors (see below), whose sum is σ = 141663038400. Its totient is φ = 65770351808.

The previous prime is 102442320989. The next prime is 102442321043. The reversal of 102442321041 is 140123244201.

It is a cyclic number.

It is not a de Polignac number, because 102442321041 - 225 = 102408766609 is a prime.

It is a super-2 number, since 2×1024423210412 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102442321043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1479651 + ... + 1547336.

It is an arithmetic number, because the mean of its divisors is an integer number (8853939900).

Almost surely, 2102442321041 is an apocalyptic number.

It is an amenable number.

102442321041 is a deficient number, since it is larger than the sum of its proper divisors (39220717359).

102442321041 is a wasteful number, since it uses less digits than its factorization.

102442321041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027408.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 102442321041 its reverse (140123244201), we get a palindrome (242565565242).

The spelling of 102442321041 in words is "one hundred two billion, four hundred forty-two million, three hundred twenty-one thousand, forty-one".

Divisors: 1 3 29 87 389 1167 11281 33843 3026987 9080961 87782623 263347869 1177497943 3532493829 34147440347 102442321041