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2745428245472 = 251122851248701
BaseRepresentation
bin100111111100111000010…
…001100111101111100000
3100201110102121121020010002
4213330320101213233200
5324440114112323342
65501122103155132
7402231162021653
oct47747021475740
910643377536102
102745428245472
11969369742700
123840ba445aa8
1316bb7b563223
1496c4525b89a
154b6353b5d32
hex27f38467be0

2745428245472 has 72 divisors (see below), whose sum is σ = 5943208813416. Its totient is φ = 1247479200000.

The previous prime is 2745428245451. The next prime is 2745428245481.

2745428245472 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×27454282454723 (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10914722 + ... + 11163422.

It is an arithmetic number, because the mean of its divisors is an integer number (82544566853).

Almost surely, 22745428245472 is an apocalyptic number.

2745428245472 is a gapful number since it is divisible by the number (22) 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 2745428245472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2971604406708).

2745428245472 is an abundant number, since it is smaller than the sum of its proper divisors (3197780567944).

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

2745428245472 is a wasteful number, since it uses less digits than its factorization.

2745428245472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251584 (or 251565 counting only the distinct ones).

The product of its digits is 40140800, while the sum is 56.

The spelling of 2745428245472 in words is "two trillion, seven hundred forty-five billion, four hundred twenty-eight million, two hundred forty-five thousand, four hundred seventy-two".

Divisors: 1 2 4 8 11 16 22 32 44 88 121 176 242 352 484 968 1936 2851 3872 5702 11404 22808 31361 45616 62722 91232 125444 248701 250888 344971 497402 501776 689942 994804 1003552 1379884 1989608 2735711 2759768 3979216 5471422 5519536 7958432 10942844 11039072 21885688 30092821 43771376 60185642 87542752 120371284 240742568 481485136 709046551 962970272 1418093102 2836186204 5672372408 7799512061 11344744816 15599024122 22689489632 31198048244 62396096488 85794632671 124792192976 171589265342 249584385952 343178530684 686357061368 1372714122736 2745428245472