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28732800112669 = 431171570627373
BaseRepresentation
bin1101000100001111000000…
…10110000001100000011101
310202201211101020112200002201
412202013200112001200131
512231224233312101134
6141035355515451501
76023606400151252
oct642074026014035
9122654336480081
1028732800112669
11917856a667aa4
123280738756b91
131305650876503
1471496409d429
1534c61573a914
hex1a21e058181d

28732800112669 has 8 divisors (see below), whose sum is σ = 29426112422432. Its totient is φ = 28040629060080.

The previous prime is 28732800112609. The next prime is 28732800112691. The reversal of 28732800112669 is 96621100823782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28732800112669 - 227 = 28732665894941 is a prime.

It is a super-2 number, since 2×287328001126692 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28732800112609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285263334 + ... + 285364039.

It is an arithmetic number, because the mean of its divisors is an integer number (3678264052804).

Almost surely, 228732800112669 is an apocalyptic number.

It is an amenable number.

28732800112669 is a deficient number, since it is larger than the sum of its proper divisors (693312309763).

28732800112669 is a wasteful number, since it uses less digits than its factorization.

28732800112669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570628587.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 28732800112669 in words is "twenty-eight trillion, seven hundred thirty-two billion, eight hundred million, one hundred twelve thousand, six hundred sixty-nine".

Divisors: 1 43 1171 50353 570627373 24536977039 668204653783 28732800112669