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451055242204140 = 223578944327238721
BaseRepresentation
bin110011010001110110111101…
…1011111000101001111101100
32012011001110102100210112120110
41212203231323133011033230
5433110042114001013030
64235151530115020020
7164002444246165320
oct14643557337051754
92164043370715513
10451055242204140
111207a14aa269242
124270963bb9a610
131648b43307b002
147d55293cd7980
153722eae1e51b0
hex19a3b7b7c53ec

451055242204140 has 192 divisors, whose sum is σ = 1462889341025280. Its totient is φ = 101709816299520.

The previous prime is 451055242204139. The next prime is 451055242204163. The reversal of 451055242204140 is 41402242550154.

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, 2939980 + ... + 30178700.

It is an arithmetic number, because the mean of its divisors is an integer number (7619215317840).

Almost surely, 2451055242204140 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 451055242204140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731444670512640).

451055242204140 is an abundant number, since it is smaller than the sum of its proper divisors (1011834098821140).

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

451055242204140 is a wasteful number, since it uses less digits than its factorization.

451055242204140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27239272 (or 27239270 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 39.

Adding to 451055242204140 its reverse (41402242550154), we get a palindrome (492457484754294).

The spelling of 451055242204140 in words is "four hundred fifty-one trillion, fifty-five billion, two hundred forty-two million, two hundred four thousand, one hundred forty".