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121401300443 = 757768120879
BaseRepresentation
bin111000100010000010…
…1001101010111011011
3102121100122222001022212
41301010011031113123
53442112213103233
6131434311105335
711525303012303
oct1610405152733
9377318861285
10121401300443
1147538961965
121b64107224b
13b5a95cca27
145c394b6603
153258005a48
hex1c4414d5db

121401300443 has 8 divisors (see below), whose sum is σ = 121583321280. Its totient is φ = 121219338240.

The previous prime is 121401300409. The next prime is 121401300467. The reversal of 121401300443 is 344003104121.

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 121401300443 - 216 = 121401234907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121401300143) 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, 5804078 + ... + 5824956.

It is an arithmetic number, because the mean of its divisors is an integer number (15197915160).

Almost surely, 2121401300443 is an apocalyptic number.

121401300443 is a deficient number, since it is larger than the sum of its proper divisors (182020837).

121401300443 is an equidigital number, since it uses as much as digits as its factorization.

121401300443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29317.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 121401300443 its reverse (344003104121), we get a palindrome (465404404564).

The spelling of 121401300443 in words is "one hundred twenty-one billion, four hundred one million, three hundred thousand, four hundred forty-three".

Divisors: 1 757 7681 20879 5814517 15805403 160371599 121401300443