Search a number
-
+
121425130411 = 1347198731801
BaseRepresentation
bin111000100010110000…
…0000111001110101011
3102121102022210201220021
41301011200013032223
53442134313133121
6131440521541311
711526012402364
oct1610540071653
9377368721807
10121425130411
1147550358752
121b649044837
13b5b15244c0
145c3c71ab6b
15325a161641
hex1c458073ab

121425130411 has 8 divisors (see below), whose sum is σ = 133547770944. Its totient is φ = 109699953600.

The previous prime is 121425130367. The next prime is 121425130417. The reversal of 121425130411 is 114031524121.

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 121425130411 - 215 = 121425097643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121425130417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99365290 + ... + 99366511.

It is an arithmetic number, because the mean of its divisors is an integer number (16693471368).

Almost surely, 2121425130411 is an apocalyptic number.

121425130411 is a deficient number, since it is larger than the sum of its proper divisors (12122640533).

121425130411 is a wasteful number, since it uses less digits than its factorization.

121425130411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198731861.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 121425130411 its reverse (114031524121), we get a palindrome (235456654532).

The spelling of 121425130411 in words is "one hundred twenty-one billion, four hundred twenty-five million, one hundred thirty thousand, four hundred eleven".

Divisors: 1 13 47 611 198731801 2583513413 9340394647 121425130411