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325122611124640 = 25571742294037779
BaseRepresentation
bin100100111101100101000000…
…1101111101001100110100000
31120122011102021202222201001111
41021323022001233221212200
5320103302101421442030
63111251133212513104
7125324222250602620
oct11173120157514640
91518142252881044
10325122611124640
11946597a806178a
123056ab3477b794
1310c54c13903824
145a4003847c880
15278c2ba24862a
hex127b281be99a0

325122611124640 has 192 divisors, whose sum is σ = 929688185260800. Its totient is φ = 104888680759296.

The previous prime is 325122611124559. The next prime is 325122611124643. The reversal of 325122611124640 is 46421116221523.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 325122611124593 and 325122611124602.

It is not an unprimeable number, because it can be changed into a prime (325122611124643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78501271 + ... + 82539049.

It is an arithmetic number, because the mean of its divisors is an integer number (4842125964900).

Almost surely, 2325122611124640 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 325122611124640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464844092630400).

325122611124640 is an abundant number, since it is smaller than the sum of its proper divisors (604565574136160).

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

325122611124640 is a wasteful number, since it uses less digits than its factorization.

325122611124640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4042047 (or 4042039 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 325122611124640 in words is "three hundred twenty-five trillion, one hundred twenty-two billion, six hundred eleven million, one hundred twenty-four thousand, six hundred forty".