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102103202321 = 7912710176737
BaseRepresentation
bin101111100010111010…
…0110011101000010001
3100202112202012002102222
41133011310303220101
53133101404433241
6114523333550425
710243132620461
oct1370564635021
9322482162388
10102103202321
113a33566113a
12179561a5415
13982247c063
144d28501ba1
1529c8bd5a4b
hex17c5d33a11

102103202321 has 8 divisors (see below), whose sum is σ = 104209797120. Its totient is φ = 100016961408.

The previous prime is 102103202293. The next prime is 102103202353. The reversal of 102103202321 is 123202301201.

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 102103202321 - 234 = 84923333137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102103202321.

It is not an unprimeable number, because it can be changed into a prime (102103202221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5078336 + ... + 5098401.

It is an arithmetic number, because the mean of its divisors is an integer number (13026224640).

Almost surely, 2102103202321 is an apocalyptic number.

It is an amenable number.

102103202321 is a deficient number, since it is larger than the sum of its proper divisors (2106594799).

102103202321 is a wasteful number, since it uses less digits than its factorization.

102103202321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10176943.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 102103202321 its reverse (123202301201), we get a palindrome (225305503522).

The spelling of 102103202321 in words is "one hundred two billion, one hundred three million, two hundred two thousand, three hundred twenty-one".

Divisors: 1 79 127 10033 10176737 803962223 1292445599 102103202321