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42740081366 = 272729394829
BaseRepresentation
bin100111110011100000…
…011110001011010110
311002022122000002111112
4213303200132023112
51200012430100431
631345020135022
73042065461133
oct476340361326
9132278002445
1042740081366
11171427307a4
128349697472
134051960898
1420d647558a
1511a2337c2b
hex9f381e2d6

42740081366 has 8 divisors (see below), whose sum is σ = 64198308720. Its totient is φ = 21340645128.

The previous prime is 42740081359. The next prime is 42740081413. The reversal of 42740081366 is 66318004724.

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

It is a congruent number.

It is an unprimeable number.

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, 14695961 + ... + 14698868.

It is an arithmetic number, because the mean of its divisors is an integer number (8024788590).

Almost surely, 242740081366 is an apocalyptic number.

42740081366 is a deficient number, since it is larger than the sum of its proper divisors (21458227354).

42740081366 is a wasteful number, since it uses less digits than its factorization.

42740081366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29395558.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 42740081366 in words is "forty-two billion, seven hundred forty million, eighty-one thousand, three hundred sixty-six".

Divisors: 1 2 727 1454 29394829 58789658 21370040683 42740081366