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8140734809 = 61479278611
BaseRepresentation
bin1111001010011100…
…11100000101011001
3210000100020011202122
413211032130011121
5113133012003214
63423444111025
7405510050504
oct74516340531
923010204678
108140734809
1134a8261609
1216b2395475
139c9749a5c
1457326013b
15329a4988e
hex1e539c159

8140734809 has 8 divisors (see below), whose sum is σ = 8291493120. Its totient is φ = 7990534800.

The previous prime is 8140734803. The next prime is 8140734841. The reversal of 8140734809 is 9084370418.

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

It is a cyclic number.

It is not a de Polignac number, because 8140734809 - 228 = 7872299353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8140734809.

It is not an unprimeable number, because it can be changed into a prime (8140734803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110087 + ... + 168524.

It is an arithmetic number, because the mean of its divisors is an integer number (1036436640).

Almost surely, 28140734809 is an apocalyptic number.

It is an amenable number.

8140734809 is a deficient number, since it is larger than the sum of its proper divisors (150758311).

8140734809 is a wasteful number, since it uses less digits than its factorization.

8140734809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279151.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 8140734809 is about 90226.0206869393. The cubic root of 8140734809 is about 2011.6597932640.

The spelling of 8140734809 in words is "eight billion, one hundred forty million, seven hundred thirty-four thousand, eight hundred nine".

Divisors: 1 61 479 29219 278611 16995271 133454669 8140734809