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2028306742560 = 253257312415107
BaseRepresentation
bin11101100001000000100…
…000001011110100100000
321011220102011222100210200
4131201000200023310200
5231212433011230220
64151442524425200
7266353221563220
oct35410040136440
97156364870720
102028306742560
117122223074aa
122891239a8200
13119364ba0b97
147025608a080
1537b63135890
hex1d84080bd20

2028306742560 has 864 divisors, whose sum is σ = 8374802357376. Its totient is φ = 437629132800.

The previous prime is 2028306742549. The next prime is 2028306742573. The reversal of 2028306742560 is 652476038202.

2028306742560 is a `hidden beast` number, since 2 + 0 + 2 + 83 + 0 + 6 + 7 + 4 + 2 + 560 = 666.

It is a super-2 number, since 2×20283067425602 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 397159527 + ... + 397164633.

It is an arithmetic number, because the mean of its divisors is an integer number (9693058284).

Almost surely, 22028306742560 is an apocalyptic number.

2028306742560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2028306742560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4187401178688).

2028306742560 is an abundant number, since it is smaller than the sum of its proper divisors (6346495614816).

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

2028306742560 is a wasteful number, since it uses less digits than its factorization.

2028306742560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5238 (or 5196 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 2028306742560 in words is "two trillion, twenty-eight billion, three hundred six million, seven hundred forty-two thousand, five hundred sixty".