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20294383052844 = 22345917937915649
BaseRepresentation
bin1001001110101001001110…
…11111100010100000101100
32122212010100110010001110000
410213110213133202200230
510130000344030142334
6111055035540344300
74163135505465105
oct447244737424054
978763313101400
1020294383052844
11651488818384a
12233922b9a5090
13b429a1503474
145023793c33ac
15252d84374299
hex1275277e282c

20294383052844 has 240 divisors, whose sum is σ = 54400777200000. Its totient is φ = 6595115240448.

The previous prime is 20294383052809. The next prime is 20294383052863. The reversal of 20294383052844 is 44825038349202.

20294383052844 is a `hidden beast` number, since 2 + 0 + 2 + 9 + 43 + 8 + 30 + 528 + 44 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1296840732 + ... + 1296856380.

It is an arithmetic number, because the mean of its divisors is an integer number (226669905000).

Almost surely, 220294383052844 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 20294383052844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27200388600000).

20294383052844 is an abundant number, since it is smaller than the sum of its proper divisors (34106394147156).

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

20294383052844 is a wasteful number, since it uses less digits than its factorization.

20294383052844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16282 (or 16271 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 54.

The spelling of 20294383052844 in words is "twenty trillion, two hundred ninety-four billion, three hundred eighty-three million, fifty-two thousand, eight hundred forty-four".