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102243214321 = 735689246193
BaseRepresentation
bin101111100111000101…
…0111010001111110001
3100202220111122102210121
41133032022322033301
53133343230324241
6114545254530241
710246452660643
oct1371612721761
9322814572717
10102243214321
113a3a76a1236
1217995066981
1398454919b1
144d3cd4a893
1529d6140ad1
hex17ce2ba3f1

102243214321 has 8 divisors (see below), whose sum is σ = 103662445640. Its totient is φ = 100824486912.

The previous prime is 102243214301. The next prime is 102243214331. The reversal of 102243214321 is 123412342201.

It can be written as a sum of positive squares in 4 ways, for example, as 51826799025 + 50416415296 = 227655^2 + 224536^2 .

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 102243214321 - 217 = 102243083249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102243214301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292201 + ... + 538393.

It is an arithmetic number, because the mean of its divisors is an integer number (12957805705).

Almost surely, 2102243214321 is an apocalyptic number.

It is an amenable number.

102243214321 is a deficient number, since it is larger than the sum of its proper divisors (1419231319).

102243214321 is an equidigital number, since it uses as much as digits as its factorization.

102243214321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251955.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 102243214321 its reverse (123412342201), we get a palindrome (225655556522).

The spelling of 102243214321 in words is "one hundred two billion, two hundred forty-three million, two hundred fourteen thousand, three hundred twenty-one".

Divisors: 1 73 5689 246193 415297 17972089 1400591977 102243214321