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42666253360 = 245533328167
BaseRepresentation
bin100111101111000110…
…110101110000110000
311002010111002020111221
4213233012311300300
51144340030101420
631333421514424
73040211112133
oct475706656060
9132114066457
1042666253360
1117104a95715
128328a12a14
13403c581883
1420ca73821a
15119ab02caa
hex9ef1b5c30

42666253360 has 20 divisors (see below), whose sum is σ = 99199039248. Its totient is φ = 17066501312.

The previous prime is 42666253351. The next prime is 42666253363. The reversal of 42666253360 is 6335266624.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×426662533602 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42666253363) 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 3 ways as a sum of consecutive naturals, for example, 266664004 + ... + 266664163.

Almost surely, 242666253360 is an apocalyptic number.

42666253360 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42666253360 is an abundant number, since it is smaller than the sum of its proper divisors (56532785888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42666253360 is a wasteful number, since it uses less digits than its factorization.

42666253360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533328180 (or 533328174 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 43.

The spelling of 42666253360 in words is "forty-two billion, six hundred sixty-six million, two hundred fifty-three thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 533328167 1066656334 2133312668 2666640835 4266625336 5333281670 8533250672 10666563340 21333126680 42666253360