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40687327390 = 2528621142159
BaseRepresentation
bin100101111001001001…
…110101100010011110
310220000120101101102111
4211321021311202132
51131311423434030
630405210344234
72640161401513
oct457111654236
9126016341374
1040687327390
1116289a32306
127a7612b07a
133ab55a5768
141d7d9a730a
1510d200462a
hex97927589e

40687327390 has 16 divisors (see below), whose sum is σ = 73240263360. Its totient is φ = 16274247840.

The previous prime is 40687327363. The next prime is 40687327391. The reversal of 40687327390 is 9372378604.

It is a super-2 number, since 2×406873273902 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40687327391) 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 7 ways as a sum of consecutive naturals, for example, 215131 + ... + 357289.

It is an arithmetic number, because the mean of its divisors is an integer number (4577516460).

Almost surely, 240687327390 is an apocalyptic number.

40687327390 is a deficient number, since it is larger than the sum of its proper divisors (32552935970).

40687327390 is a wasteful number, since it uses less digits than its factorization.

40687327390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170787.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 40687327390 in words is "forty billion, six hundred eighty-seven million, three hundred twenty-seven thousand, three hundred ninety".

Divisors: 1 2 5 10 28621 57242 142159 143105 284318 286210 710795 1421590 4068732739 8137465478 20343663695 40687327390