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814499550942 = 23711192379223229
BaseRepresentation
bin10111101101000111111…
…01001101011011011110
32212212100212121020121220
423312203331031123132
5101321043341112232
61422102000034210
7112563025644210
oct13664375153336
92785325536556
10814499550942
11294477842a50
12111a32302966
135ba64c1410c
142b5c9d185b0
15162c120042c
hexbda3f4d6de

814499550942 has 512 divisors, whose sum is σ = 2279079936000. Its totient is φ = 187611240960.

The previous prime is 814499550941. The next prime is 814499550971. The reversal of 814499550942 is 249055994418.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814499550941) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 3556766484 + ... + 3556766712.

It is an arithmetic number, because the mean of its divisors is an integer number (4451328000).

Almost surely, 2814499550942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 814499550942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1139539968000).

814499550942 is an abundant number, since it is smaller than the sum of its proper divisors (1464580385058).

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

814499550942 is a wasteful number, since it uses less digits than its factorization.

814499550942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596.

The product of its (nonzero) digits is 18662400, while the sum is 60.

The spelling of 814499550942 in words is "eight hundred fourteen billion, four hundred ninety-nine million, five hundred fifty thousand, nine hundred forty-two".