Search a number
-
+
3133123131320 = 2357132347337907
BaseRepresentation
bin101101100101111100101…
…100001111011110111000
3102002112010201221000211022
4231211330230033132320
5402313114010200240
610355200434122012
7442234466126420
oct55457454173670
912075121830738
103133123131320
11aa8828366676
12427278720308
131995b576b220
14ab90309b480
155677686e9b5
hex2d97cb0f7b8

3133123131320 has 256 divisors, whose sum is σ = 9056631306240. Its totient is φ = 948149250048.

The previous prime is 3133123131319. The next prime is 3133123131349. The reversal of 3133123131320 is 231313213313.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 3133123131320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 396242807 + ... + 396250713.

It is an arithmetic number, because the mean of its divisors is an integer number (35377466040).

Almost surely, 23133123131320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3133123131320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4528315653120).

3133123131320 is an abundant number, since it is smaller than the sum of its proper divisors (5923508174920).

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

3133123131320 is a wasteful number, since it uses less digits than its factorization.

3133123131320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12694 (or 12690 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 3133123131320 its reverse (231313213313), we get a palindrome (3364436344633).

The spelling of 3133123131320 in words is "three trillion, one hundred thirty-three billion, one hundred twenty-three million, one hundred thirty-one thousand, three hundred twenty".