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2822430240081 = 32257221792
BaseRepresentation
bin101001000100100101111…
…100111010110101010001
3100222211012000102211212100
4221010211330322311101
5332220314120140311
610000335003151013
7410625311126034
oct51044574726521
910884160384770
102822430240081
11998a93320981
1239700a215469
1317620053164a
149a86bb8d01b
154d640586a56
hex29125f3ad51

2822430240081 has 27 divisors (see below), whose sum is σ = 4094647750011. Its totient is φ = 1873438516224.

The previous prime is 2822430240079. The next prime is 2822430240101. The reversal of 2822430240081 is 1800420342282.

The square root of 2822430240081 is 1680009.

It is a perfect power (a square), and thus also a powerful number.

2822430240081 is a `hidden beast` number, since 2 + 8 + 2 + 243 + 0 + 2 + 400 + 8 + 1 = 666.

2822430240081 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2778672294225 + 43757945856 = 1666935^2 + 209184^2 .

It is not a de Polignac number, because 2822430240081 - 21 = 2822430240079 is a prime.

It is a super-2 number, since 2×28224302400812 (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2822430240181) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1295285850 + ... + 1295288028.

Almost surely, 22822430240081 is an apocalyptic number.

2822430240081 is the 1680009-th square number.

2822430240081 is the 840005-th centered octagonal number.

It is an amenable number.

2822430240081 is a deficient number, since it is larger than the sum of its proper divisors (1272217509930).

2822430240081 is an frugal number, since it uses more digits than its factorization.

2822430240081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4878 (or 2439 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

Multiplying 2822430240081 by its sum of digits (36), we get a square (101607488642916 = 100800542).

The spelling of 2822430240081 in words is "two trillion, eight hundred twenty-two billion, four hundred thirty million, two hundred forty thousand, eighty-one".

Divisors: 1 3 9 257 771 2179 2313 6537 19611 66049 198147 560003 594441 1680009 4748041 5040027 14244123 42732369 143920771 431762313 1220246537 1295286939 3660739611 10982218833 313603360009 940810080027 2822430240081