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2255805683712 = 21133724191987
BaseRepresentation
bin100000110100111000011…
…111110001100000000000
321222122121222100222221000
4200310320133301200000
5243424342223334322
64444145224332000
7321655652640300
oct40647037614000
97878558328830
102255805683712
1179a755555149
12305234914000
1313494c374a69
147b27836b600
153da2a8493ac
hex20d387f1800

2255805683712 has 576 divisors, whose sum is σ = 7795687536000. Its totient is φ = 642654093312.

The previous prime is 2255805683683. The next prime is 2255805683713. The reversal of 2255805683712 is 2173865085522.

It is a happy number.

2255805683712 is a `hidden beast` number, since 2 + 2 + 5 + 5 + 8 + 0 + 568 + 3 + 71 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255805683713) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1135281183 + ... + 1135283169.

It is an arithmetic number, because the mean of its divisors is an integer number (13534179750).

Almost surely, 22255805683712 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 2255805683712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3897843768000).

2255805683712 is an abundant number, since it is smaller than the sum of its proper divisors (5539881852288).

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

2255805683712 is a wasteful number, since it uses less digits than its factorization.

2255805683712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451 (or 2418 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 54.

The spelling of 2255805683712 in words is "two trillion, two hundred fifty-five billion, eight hundred five million, six hundred eighty-three thousand, seven hundred twelve".