Search a number
-
+
121023130232130 = 2357197113914920627
BaseRepresentation
bin11011100001000111100100…
…101011111110010101000010
3120212111200212000210222220120
4123201013210223332111002
5111330320332314412010
61105221131500321110
734330426662521250
oct3341074453762502
9525450760728816
10121023130232130
113561a691a49925
12116a7115543196
13526b5807519a9
1421c579d3c55d0
15ded151853e70
hex6e11e4afe542

121023130232130 has 512 divisors, whose sum is σ = 359303454720000. Its totient is φ = 25478132843520.

The previous prime is 121023130232119. The next prime is 121023130232167. The reversal of 121023130232130 is 31232031320121.

It is a self number, because there is not a number n which added to its sum of digits gives 121023130232130.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 5867208877 + ... + 5867229503.

It is an arithmetic number, because the mean of its divisors is an integer number (701764560000).

Almost surely, 2121023130232130 is an apocalyptic number.

121023130232130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121023130232130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179651727360000).

121023130232130 is an abundant number, since it is smaller than the sum of its proper divisors (238280324487870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121023130232130 is a wasteful number, since it uses less digits than its factorization.

121023130232130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21022.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 121023130232130 its reverse (31232031320121), we get a palindrome (152255161552251).

The spelling of 121023130232130 in words is "one hundred twenty-one trillion, twenty-three billion, one hundred thirty million, two hundred thirty-two thousand, one hundred thirty".