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102803852543 = 725392942611
BaseRepresentation
bin101111110111110010…
…1100100110011111111
3100211100120120210212012
41133233211210303333
53141020241240133
6115121043201435
710266401220500
oct1375745446377
9324316523765
10102803852543
113a665105007
1217b1097627b
1399046883a2
144d935a8ba7
152a1a485b48
hex17ef964cff

102803852543 has 24 divisors (see below), whose sum is σ = 121978554480. Its totient is φ = 86359902720.

The previous prime is 102803852533. The next prime is 102803852549. The reversal of 102803852543 is 345258308201.

It is not a de Polignac number, because 102803852543 - 24 = 102803852527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102803852543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102803852549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2391308 + ... + 2433918.

It is an arithmetic number, because the mean of its divisors is an integer number (5082439770).

Almost surely, 2102803852543 is an apocalyptic number.

102803852543 is a deficient number, since it is larger than the sum of its proper divisors (19174701937).

102803852543 is an equidigital number, since it uses as much as digits as its factorization.

102803852543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43607 (or 43600 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 102803852543 in words is "one hundred two billion, eight hundred three million, eight hundred fifty-two thousand, five hundred forty-three".

Divisors: 1 7 49 53 371 929 2597 6503 42611 45521 49237 298277 344659 2087939 2258383 2412613 15808681 39585619 110660767 277099333 1939695331 2098037807 14686264649 102803852543