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102145416052 = 22199604721221
BaseRepresentation
bin101111100100001010…
…1110101101101110100
3100202122200121202210111
41133020111311231310
53133143211303202
6114531442432404
710244154465541
oct1371025655564
9322580552714
10102145416052
113a357473a19
1217968362704
13982b13c3b4
144d2dd6dbc8
1529cc7736d7
hex17c8575b74

102145416052 has 24 divisors (see below), whose sum is σ = 179690918400. Its totient is φ = 50805263520.

The previous prime is 102145416047. The next prime is 102145416073. The reversal of 102145416052 is 250614541201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4802802 + ... + 4824022.

It is an arithmetic number, because the mean of its divisors is an integer number (7487121600).

Almost surely, 2102145416052 is an apocalyptic number.

It is an amenable number.

102145416052 is a deficient number, since it is larger than the sum of its proper divisors (77545502348).

102145416052 is a wasteful number, since it uses less digits than its factorization.

102145416052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27471 (or 27469 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 102145416052 its reverse (250614541201), we get a palindrome (352759957253).

The spelling of 102145416052 in words is "one hundred two billion, one hundred forty-five million, four hundred sixteen thousand, fifty-two".

Divisors: 1 2 4 199 398 796 6047 12094 21221 24188 42442 84884 1203353 2406706 4222979 4813412 8445958 16891916 128323387 256646774 513293548 25536354013 51072708026 102145416052