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121344201305 = 549994854739
BaseRepresentation
bin111000100000010101…
…1011001001001011001
3102121012200112010000222
41301000223121021121
53442003103420210
6131424511205425
711524010456435
oct1610053311131
9377180463028
10121344201305
1147509702498
121b625b16875
13b59a82a262
145c31a919c5
153252ec7655
hex1c40ad9259

121344201305 has 8 divisors (see below), whose sum is σ = 145642200000. Its totient is φ = 97055922096.

The previous prime is 121344201301. The next prime is 121344201359. The reversal of 121344201305 is 503102443121.

It is a happy number.

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 121344201305 - 22 = 121344201301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121344201301) 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, 2402375 + ... + 2452364.

It is an arithmetic number, because the mean of its divisors is an integer number (18205275000).

Almost surely, 2121344201305 is an apocalyptic number.

It is an amenable number.

121344201305 is a deficient number, since it is larger than the sum of its proper divisors (24297998695).

121344201305 is an equidigital number, since it uses as much as digits as its factorization.

121344201305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4859743.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 121344201305 its reverse (503102443121), we get a palindrome (624446644426).

The spelling of 121344201305 in words is "one hundred twenty-one billion, three hundred forty-four million, two hundred one thousand, three hundred five".

Divisors: 1 5 4999 24995 4854739 24273695 24268840261 121344201305