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121344343201 = 1919732419007
BaseRepresentation
bin111000100000010101…
…1111011110010100001
3102121012200210022200101
41301000223323302201
53442003122440301
6131424514222401
711524011620224
oct1610053736241
9377180708611
10121344343201
114750979a064
121b625b84a01
13b59a879a13
145c31acb5bb
153253004701
hex1c40afbca1

121344343201 has 8 divisors (see below), whose sum is σ = 128379271680. Its totient is φ = 114374253168.

The previous prime is 121344343199. The next prime is 121344343223. The reversal of 121344343201 is 102343443121.

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 121344343201 - 21 = 121344343199 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 121344343201.

It is not an unprimeable number, because it can be changed into a prime (121344343501) 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, 16205761 + ... + 16213246.

It is an arithmetic number, because the mean of its divisors is an integer number (16047408960).

Almost surely, 2121344343201 is an apocalyptic number.

It is an amenable number.

121344343201 is a deficient number, since it is larger than the sum of its proper divisors (7034928479).

121344343201 is a wasteful number, since it uses less digits than its factorization.

121344343201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32419223.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 121344343201 its reverse (102343443121), we get a palindrome (223687786322).

The spelling of 121344343201 in words is "one hundred twenty-one billion, three hundred forty-four million, three hundred forty-three thousand, two hundred one".

Divisors: 1 19 197 3743 32419007 615961133 6386544379 121344343201