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102453203251 = 72101131158029
BaseRepresentation
bin101111101101010101…
…1111101000100110011
3100210110010202222110101
41133122223331010303
53134311010001001
6115022155413231
710254612600400
oct1373253750463
9323403688411
10102453203251
113a4a5187003
1217a33454217
139879b357b9
144d5cbad2a7
1529e97bea01
hex17daafd133

102453203251 has 24 divisors (see below), whose sum is σ = 121279807440. Its totient is φ = 86283288000.

The previous prime is 102453203197. The next prime is 102453203261. The reversal of 102453203251 is 152302354201.

It is not a de Polignac number, because 102453203251 - 231 = 100305719603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102453203261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 569305 + ... + 727333.

It is an arithmetic number, because the mean of its divisors is an integer number (5053325310).

Almost surely, 2102453203251 is an apocalyptic number.

102453203251 is a deficient number, since it is larger than the sum of its proper divisors (18826604189).

102453203251 is a wasteful number, since it uses less digits than its factorization.

102453203251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158275 (or 158268 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 102453203251 its reverse (152302354201), we get a palindrome (254755557452).

The spelling of 102453203251 in words is "one hundred two billion, four hundred fifty-three million, two hundred three thousand, two hundred fifty-one".

Divisors: 1 7 49 101 131 707 917 4949 6419 13231 92617 158029 648319 1106203 7743421 15960929 20701799 111726503 144912593 782085521 1014388151 2090881699 14636171893 102453203251