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39243230444 = 22113499254899
BaseRepresentation
bin100100100011000101…
…000010110011101100
310202021221001122211102
4210203011002303230
51120332231333234
630010022342232
72556324645365
oct444305026354
9122257048742
1039243230444
1115708864960
12773258a978
133915357722
141c83c96b6c
15104a34dc7e
hex923142cec

39243230444 has 24 divisors (see below), whose sum is σ = 74940600000. Its totient is φ = 17832664080.

The previous prime is 39243230443. The next prime is 39243230471. The reversal of 39243230444 is 44403234293.

It is a super-5 number, since 5×392432304445 (a number of 54 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 39243230398 and 39243230407.

It is not an unprimeable number, because it can be changed into a prime (39243230443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26507 + ... + 281405.

It is an arithmetic number, because the mean of its divisors is an integer number (3122525000).

Almost surely, 239243230444 is an apocalyptic number.

It is an amenable number.

39243230444 is a deficient number, since it is larger than the sum of its proper divisors (35697369556).

39243230444 is a wasteful number, since it uses less digits than its factorization.

39243230444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258413 (or 258411 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 38.

The spelling of 39243230444 in words is "thirty-nine billion, two hundred forty-three million, two hundred thirty thousand, four hundred forty-four".

Divisors: 1 2 4 11 22 44 3499 6998 13996 38489 76978 153956 254899 509798 1019596 2803889 5607778 11215556 891891601 1783783202 3567566404 9810807611 19621615222 39243230444