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42728584005 = 32515112175167
BaseRepresentation
bin100111110010110100…
…100111001101000101
311002021211100222002100
4213302310213031011
51200002004142010
631343525502313
73041565654132
oct476264471505
9132254328070
1042728584005
1117137198648
128345871999
13404c466603
1420d4b21589
1511a13162c0
hex9f2d27345

42728584005 has 48 divisors (see below), whose sum is σ = 74629062144. Its totient is φ = 22614681600.

The previous prime is 42728584001. The next prime is 42728584013. The reversal of 42728584005 is 50048582724.

42728584005 is a `hidden beast` number, since 42 + 7 + 28 + 584 + 0 + 0 + 5 = 666.

It is not a de Polignac number, because 42728584005 - 22 = 42728584001 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42728584001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8266932 + ... + 8272098.

It is an arithmetic number, because the mean of its divisors is an integer number (1554772128).

Almost surely, 242728584005 is an apocalyptic number.

42728584005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42728584005 is a deficient number, since it is larger than the sum of its proper divisors (31900478139).

42728584005 is a wasteful number, since it uses less digits than its factorization.

42728584005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6546 (or 6543 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 45.

The spelling of 42728584005 in words is "forty-two billion, seven hundred twenty-eight million, five hundred eighty-four thousand, five".

Divisors: 1 3 5 9 15 45 151 453 755 1217 1359 2265 3651 5167 6085 6795 10953 15501 18255 25835 46503 54765 77505 183767 232515 551301 780217 918835 1653903 2340651 2756505 3901085 6288239 7021953 8269515 11703255 18864717 31441195 35109765 56594151 94323585 282970755 949524089 2848572267 4747620445 8545716801 14242861335 42728584005