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28540146702836 = 2214543490616563
BaseRepresentation
bin1100111110101000001010…
…10011100101100111110100
310202001102002220011102201102
412133110011103211213310
512220100210023442321
6140411055024345232
76003646304166416
oct637240523454764
9122042086142642
1028540146702836
11910389885681a
12324b331475218
1312c042a5c1412
147094c99989b6
153475dc243c0b
hex19f5054e59f4

28540146702836 has 12 divisors (see below), whose sum is σ = 49948691147712. Its totient is φ = 14269092089208.

The previous prime is 28540146702817. The next prime is 28540146702839. The reversal of 28540146702836 is 63820764104582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28540146702839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245250110 + ... + 245366453.

It is an arithmetic number, because the mean of its divisors is an integer number (4162390928976).

Almost surely, 228540146702836 is an apocalyptic number.

It is an amenable number.

28540146702836 is a deficient number, since it is larger than the sum of its proper divisors (21408544444876).

28540146702836 is a wasteful number, since it uses less digits than its factorization.

28540146702836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490631110 (or 490631108 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 56.

The spelling of 28540146702836 in words is "twenty-eight trillion, five hundred forty billion, one hundred forty-six million, seven hundred two thousand, eight hundred thirty-six".

Divisors: 1 2 4 14543 29086 58172 490616563 981233126 1962466252 7135036675709 14270073351418 28540146702836